40371980 has 24 divisors (see below), whose sum is σ = 92489040. Its totient is φ = 14680640.

The previous prime is 40371967. The next prime is 40372009. The reversal of 40371980 is 8917304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91535 + ... + 91974.

It is an arithmetic number, because the mean of its divisors is an integer number (3853710).

Almost surely, 2^40371980 is an apocalyptic number.

It is an amenable number.

40371980 is an abundant number, since it is smaller than the sum of its proper divisors (52117060).

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

40371980 is a wasteful number, since it uses less digits than its factorization.

40371980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183529 (or 183527 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 40371980 is about 6353.8948685039. The cubic root of 40371980 is about 343.0520480760.

The spelling of 40371980 in words is "forty million, three hundred seventy-one thousand, nine hundred eighty".