40492388 has 12 divisors (see below), whose sum is σ = 71919792. Its totient is φ = 19943880.

The previous prime is 40492373. The next prime is 40492411. The reversal of 40492388 is 88329404.

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, 75278 + ... + 75813.

It is an arithmetic number, because the mean of its divisors is an integer number (5993316).

Almost surely, 2^40492388 is an apocalyptic number.

It is an amenable number.

40492388 is a deficient number, since it is larger than the sum of its proper divisors (31427404).

40492388 is a wasteful number, since it uses less digits than its factorization.

40492388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151162 (or 151160 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 40492388 is about 6363.3629473730. The cubic root of 40492388 is about 343.3927564431.

The spelling of 40492388 in words is "forty million, four hundred ninety-two thousand, three hundred eighty-eight".