40623056 has 20 divisors (see below), whose sum is σ = 78812292. Its totient is φ = 20284416.

The previous prime is 40623053. The next prime is 40623061. The reversal of 40623056 is 65032604.

It can be written as a sum of positive squares in 2 ways, for example, as 17774656 + 22848400 = 4216^2 + 4780^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40623053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16736 + ... + 19008.

Almost surely, 2^40623056 is an apocalyptic number.

It is an amenable number.

40623056 is a deficient number, since it is larger than the sum of its proper divisors (38189236).

40623056 is a wasteful number, since it uses less digits than its factorization.

40623056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40623056 is about 6373.6218902599. The cubic root of 40623056 is about 343.7617333295.

The spelling of 40623056 in words is "forty million, six hundred twenty-three thousand, fifty-six".