40656875 has 20 divisors (see below), whose sum is σ = 58068912. Its totient is φ = 27876000.

The previous prime is 40656857. The next prime is 40656899. The reversal of 40656875 is 57865604.

It is not a de Polignac number, because 40656875 - 2⁸ = 40656619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272 + ... + 9021.

Almost surely, 2^40656875 is an apocalyptic number.

40656875 is a deficient number, since it is larger than the sum of its proper divisors (17412037).

40656875 is an frugal number, since it uses more digits than its factorization.

40656875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320 (or 9305 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 40656875 is about 6376.2743824274. The cubic root of 40656875 is about 343.8571016133.

The spelling of 40656875 in words is "forty million, six hundred fifty-six thousand, eight hundred seventy-five".