40572656 has 40 divisors (see below), whose sum is σ = 81018624. Its totient is φ = 19673280.

The previous prime is 40572647. The next prime is 40572661. The reversal of 40572656 is 65627504.

40572656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40572656² = 3292280829788672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122411 + ... + 122741.

Almost surely, 2^40572656 is an apocalyptic number.

It is an amenable number.

40572656 is a deficient number, since it is larger than the sum of its proper divisors (40445968).

40572656 is a wasteful number, since it uses less digits than its factorization.

40572656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 40572656 is about 6369.6668672702. Note that the first 3 decimals coincide. The cubic root of 40572656 is about 343.6195089940.

The spelling of 40572656 in words is "forty million, five hundred seventy-two thousand, six hundred fifty-six".