40631875 has 10 divisors (see below), whose sum is σ = 50774372. Its totient is φ = 32505000.

The previous prime is 40631849. The next prime is 40631879. The reversal of 40631875 is 57813604.

It is not a de Polignac number, because 40631875 - 2¹⁵ = 40599107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40631875.

It is not an unprimeable number, because it can be changed into a prime (40631879) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31881 + ... + 33130.

Almost surely, 2^40631875 is an apocalyptic number.

40631875 is a deficient number, since it is larger than the sum of its proper divisors (10142497).

40631875 is an frugal number, since it uses more digits than its factorization.

40631875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65031 (or 65016 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 40631875 is about 6374.3136885472. The cubic root of 40631875 is about 343.7866076716.

The spelling of 40631875 in words is "forty million, six hundred thirty-one thousand, eight hundred seventy-five".