40864180 has 24 divisors (see below), whose sum is σ = 98074368. Its totient is φ = 14010528.

The previous prime is 40864177. The next prime is 40864181. The reversal of 40864180 is 8146804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40864181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145804 + ... + 146083.

It is an arithmetic number, because the mean of its divisors is an integer number (4086432).

Almost surely, 2^40864180 is an apocalyptic number.

It is an amenable number.

40864180 is an abundant number, since it is smaller than the sum of its proper divisors (57210188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40864180 is a wasteful number, since it uses less digits than its factorization.

40864180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291903 (or 291901 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 40864180 is about 6392.5096793044. The cubic root of 40864180 is about 344.4405411359.

The spelling of 40864180 in words is "forty million, eight hundred sixty-four thousand, one hundred eighty".