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441440442212 = 2271117173348649
BaseRepresentation
bin1100110110001111110…
…01101001011101100100
31120012102202001221201212
412123013321221131210
524213032223122322
6534443412410552
743615206563540
oct6330771513544
91505382057655
10441440442212
11160239691a50
1271679616a58
1332820c5c273
1417519baca20
15b739ab30e2
hex66c7e69764

441440442212 has 96 divisors (see below), whose sum is σ = 1020407673600. Its totient is φ = 161776005120.

The previous prime is 441440442203. The next prime is 441440442217. The reversal of 441440442212 is 212244044144.

It is a super-2 number, since 2×4414404422122 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (441440442217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9049664 + ... + 9098312.

It is an arithmetic number, because the mean of its divisors is an integer number (10629246600).

Almost surely, 2441440442212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441440442212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510203836800).

441440442212 is an abundant number, since it is smaller than the sum of its proper divisors (578967231388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441440442212 is a wasteful number, since it uses less digits than its factorization.

441440442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50421 (or 50419 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 441440442212 its reverse (212244044144), we get a palindrome (653684486356).

The spelling of 441440442212 in words is "four hundred forty-one billion, four hundred forty million, four hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 68 77 119 154 187 238 308 374 476 748 1309 1733 2618 3466 5236 6932 12131 19063 24262 29461 38126 48524 48649 58922 76252 97298 117844 133441 194596 206227 266882 324071 340543 412454 533764 535139 648142 681086 824908 827033 1070278 1296284 1362172 1654066 2140556 2268497 3308132 3745973 4536994 5789231 7491946 9073988 9097363 11578462 14983892 18194726 23156924 36389452 63681541 84308717 127363082 168617434 254726164 337234868 590161019 927395887 1180322038 1433248189 1854791774 2360644076 2866496378 3709583548 5732992756 6491771209 10032737323 12983542418 15765730079 20065474646 25967084836 31531460158 40130949292 63062920316 110360110553 220720221106 441440442212