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444320344224 = 25323741696729
BaseRepresentation
bin1100111011100111000…
…11100110100010100000
31120110212110010010121100
412131303203212202200
524234432002003344
6540041250554400
744046446416401
oct6356343464240
91513773103540
10444320344224
11161487283a59
1272141b98a00
1332b8c7b40b3
14177104719a8
15b857832569
hex67738e68a0

444320344224 has 72 divisors (see below), whose sum is σ = 1297685631060. Its totient is φ = 144103891968.

The previous prime is 444320344183. The next prime is 444320344277. The reversal of 444320344224 is 422443023444.

444320344224 is a `hidden beast` number, since 4 + 4 + 4 + 3 + 203 + 442 + 2 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 357283543824 + 87036800400 = 597732^2 + 295020^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20837709 + ... + 20859020.

Almost surely, 2444320344224 is an apocalyptic number.

It is an amenable number.

444320344224 is an abundant number, since it is smaller than the sum of its proper divisors (853365286836).

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

444320344224 is a wasteful number, since it uses less digits than its factorization.

444320344224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41696782 (or 41696771 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 444320344224 its reverse (422443023444), we get a palindrome (866763367668).

It can be divided in two parts, 444320 and 344224, that added together give a square (788544 = 8882).

The spelling of 444320344224 in words is "four hundred forty-four billion, three hundred twenty million, three hundred forty-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 72 74 96 111 144 148 222 288 296 333 444 592 666 888 1184 1332 1776 2664 3552 5328 10656 41696729 83393458 125090187 166786916 250180374 333573832 375270561 500360748 667147664 750541122 1000721496 1334295328 1501082244 1542778973 2001442992 3002164488 3085557946 4002885984 4628336919 6004328976 6171115892 9256673838 12008657952 12342231784 13885010757 18513347676 24684463568 27770021514 37026695352 49368927136 55540043028 74053390704 111080086056 148106781408 222160172112 444320344224