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444484404404 = 22718323380929
BaseRepresentation
bin1100111011111010101…
…01011100010010110100
31120111021212211020212022
412131331111130102310
524240301001420104
6540105431212312
744053511046065
oct6357525342264
91514255736768
10444484404404
11161560949887
1272188b17098
1332bb7796921
141772817a56c
15b866e3cbbe
hex677d55c4b4

444484404404 has 48 divisors (see below), whose sum is σ = 801743080320. Its totient is φ = 215540398080.

The previous prime is 444484404349. The next prime is 444484404409. The reversal of 444484404404 is 404404484444.

It is a happy number.

It is a super-2 number, since 2×4444844044042 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444484404409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5451812 + ... + 5532740.

It is an arithmetic number, because the mean of its divisors is an integer number (16702980840).

Almost surely, 2444484404404 is an apocalyptic number.

It is an amenable number.

444484404404 is a deficient number, since it is larger than the sum of its proper divisors (357258675916).

444484404404 is a wasteful number, since it uses less digits than its factorization.

444484404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81320 (or 81318 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

Adding to 444484404404 its reverse (404404484444), we get a palindrome (848888888848).

The spelling of 444484404404 in words is "four hundred forty-four billion, four hundred eighty-four million, four hundred four thousand, four hundred four".

Divisors: 1 2 4 71 83 142 166 233 284 332 466 932 5893 11786 16543 19339 23572 33086 38678 66172 77356 80929 161858 323716 1373069 2746138 5492276 5745959 6717107 11491918 13434214 18856457 22983836 26868428 37712914 75425828 476914597 953829194 1338808447 1565085931 1907658388 2677616894 3130171862 5355233788 6260343724 111121101101 222242202202 444484404404