38040656 has 20 divisors (see below), whose sum is σ = 73974804. Its totient is φ = 18950400.

The previous prime is 38040649. The next prime is 38040671. The reversal of 38040656 is 65604083.

It can be written as a sum of positive squares in 2 ways, for example, as 28944400 + 9096256 = 5380^2 + 3016^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 266 + ... + 8726.

Almost surely, 2^38040656 is an apocalyptic number.

It is an amenable number.

38040656 is a deficient number, since it is larger than the sum of its proper divisors (35934148).

38040656 is a wasteful number, since it uses less digits than its factorization.

38040656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 38040656 is about 6167.7107584581. The cubic root of 38040656 is about 336.3173966054.

The spelling of 38040656 in words is "thirty-eight million, forty thousand, six hundred fifty-six".