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40444356 = 2233370363
BaseRepresentation
bin1001101001001…
…0000111000100
32211002210020010
42122102013010
540323204411
64002510220
71000525401
oct232220704
984083203
1040444356
1120914497
1211665370
1384c0b94
14552b2a8
15383d7a6
hex26921c4

40444356 has 12 divisors (see below), whose sum is σ = 94370192. Its totient is φ = 13481448.

The previous prime is 40444333. The next prime is 40444361. The reversal of 40444356 is 65344404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685170 + ... + 1685193.

Almost surely, 240444356 is an apocalyptic number.

It is an amenable number.

40444356 is an abundant number, since it is smaller than the sum of its proper divisors (53925836).

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

40444356 is a wasteful number, since it uses less digits than its factorization.

40444356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370370 (or 3370368 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 40444356 is about 6359.5877224864. The cubic root of 40444356 is about 343.2569254252.

The spelling of 40444356 in words is "forty million, four hundred forty-four thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 3370363 6740726 10111089 13481452 20222178 40444356