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444672989460768 = 25313101473535489
BaseRepresentation
bin110010100011011010111111…
…1100100111111100100100000
32011022110022201012021122222110
41211012311333210333210200
5431241010240300221033
64213423541245035320
7162443364133026105
oct14506657744774440
92138408635248873
10444672989460768
11119760834a4a032
1241a58730555b40
131611763814a183
147bb4404d80aac
153661e71945363
hex1946d7f93f920

444672989460768 has 48 divisors (see below), whose sum is σ = 1167267818435040. Its totient is φ = 148224174759936.

The previous prime is 444672989460727. The next prime is 444672989460797. The reversal of 444672989460768 is 867064989276444.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4446729894607682 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124006368 + ... + 127541856.

It is an arithmetic number, because the mean of its divisors is an integer number (24318079550730).

Almost surely, 2444672989460768 is an apocalyptic number.

444672989460768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

444672989460768 is an abundant number, since it is smaller than the sum of its proper divisors (722594828974272).

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

444672989460768 is a wasteful number, since it uses less digits than its factorization.

444672989460768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845649 (or 4845641 counting only the distinct ones).

The product of its (nonzero) digits is 28092137472, while the sum is 84.

The spelling of 444672989460768 in words is "four hundred forty-four trillion, six hundred seventy-two billion, nine hundred eighty-nine million, four hundred sixty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1310147 2620294 3535489 3930441 5240588 7070978 7860882 10481176 10606467 14141956 15721764 20962352 21212934 28283912 31443528 41924704 42425868 56567824 62887056 84851736 113135648 125774112 169703472 339406944 4632010306883 9264020613766 13896030920649 18528041227532 27792061841298 37056082455064 55584123682596 74112164910128 111168247365192 148224329820256 222336494730384 444672989460768