40075856 has 10 divisors (see below), whose sum is σ = 77647002. Its totient is φ = 20037920.

The previous prime is 40075843. The next prime is 40075859. The reversal of 40075856 is 65857004.

It can be written as a sum of positive squares in only one way, i.e., 33825856 + 6250000 = 5816^2 + 2500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40075859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252355 + ... + 1252386.

Almost surely, 2^40075856 is an apocalyptic number.

It is an amenable number.

40075856 is a deficient number, since it is larger than the sum of its proper divisors (37571146).

40075856 is a wasteful number, since it uses less digits than its factorization.

40075856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504749 (or 2504743 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 40075856 is about 6330.5494232333. The cubic root of 40075856 is about 342.2112393794.

The spelling of 40075856 in words is "forty million, seventy-five thousand, eight hundred fifty-six".