40220875 has 16 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 31761600.

The previous prime is 40220863. The next prime is 40220879. The reversal of 40220875 is 57802204.

It is a de Polignac number, because none of the positive numbers 2^k-40220875 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40220879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7839 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (3177720).

Almost surely, 2^40220875 is an apocalyptic number.

40220875 is a deficient number, since it is larger than the sum of its proper divisors (10622645).

40220875 is an equidigital number, since it uses as much as digits as its factorization.

40220875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40220875 is about 6341.9929832821. The cubic root of 40220875 is about 342.6235191264.

The spelling of 40220875 in words is "forty million, two hundred twenty thousand, eight hundred seventy-five".