40808492 has 12 divisors (see below), whose sum is σ = 71545656. Its totient is φ = 20366880.

The previous prime is 40808479. The next prime is 40808503. The reversal of 40808492 is 29480804.

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, 6809 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (5962138).

Almost surely, 2^40808492 is an apocalyptic number.

It is an amenable number.

40808492 is a deficient number, since it is larger than the sum of its proper divisors (30737164).

40808492 is a wasteful number, since it uses less digits than its factorization.

40808492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18688 (or 18686 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 40808492 is about 6388.1524715680. The cubic root of 40808492 is about 344.2840069408.

The spelling of 40808492 in words is "forty million, eight hundred eight thousand, four hundred ninety-two".