40291180 has 12 divisors (see below), whose sum is σ = 84611520. Its totient is φ = 16116464.

The previous prime is 40291177. The next prime is 40291213. The reversal of 40291180 is 8119204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007260 + ... + 1007299.

It is an arithmetic number, because the mean of its divisors is an integer number (7050960).

Almost surely, 2^40291180 is an apocalyptic number.

It is an amenable number.

40291180 is an abundant number, since it is smaller than the sum of its proper divisors (44320340).

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

40291180 is a wasteful number, since it uses less digits than its factorization.

40291180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014568 (or 2014566 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 40291180 is about 6347.5333791954. The cubic root of 40291180 is about 342.8230351322.

The spelling of 40291180 in words is "forty million, two hundred ninety-one thousand, one hundred eighty".