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444275040 = 25351184143
BaseRepresentation
bin11010011110110…
…001100101100000
31010221222111210010
4122132301211200
51402213300130
6112030204520
714003163336
oct3236614540
91127874703
10444275040
11208866460
12104953740
1371073c51
144300bb56
152900c0b0
hex1a7b1960

444275040 has 96 divisors (see below), whose sum is σ = 1526708736. Its totient is φ = 107701760.

The previous prime is 444275033. The next prime is 444275053. The reversal of 444275040 is 40572444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×4442750402 = 394760622334003200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 444274989 and 444275007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36792 + ... + 47351.

It is an arithmetic number, because the mean of its divisors is an integer number (15903216).

Almost surely, 2444275040 is an apocalyptic number.

444275040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444275040 is an abundant number, since it is smaller than the sum of its proper divisors (1082433696).

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

444275040 is a wasteful number, since it uses less digits than its factorization.

444275040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84172 (or 84164 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 444275040 is about 21077.8329056855. The cubic root of 444275040 is about 763.0458562071.

The spelling of 444275040 in words is "four hundred forty-four million, two hundred seventy-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 84143 168286 252429 336572 420715 504858 673144 841430 925573 1009716 1262145 1346288 1682860 1851146 2019432 2524290 2692576 2776719 3365720 3702292 4038864 4627865 5048580 5553438 6731440 7404584 8077728 9255730 10097160 11106876 13462880 13883595 14809168 18511460 20194320 22213752 27767190 29618336 37022920 40388640 44427504 55534380 74045840 88855008 111068760 148091680 222137520 444275040