40494008 has 16 divisors (see below), whose sum is σ = 76710480. Its totient is φ = 20037888.

The previous prime is 40493989. The next prime is 40494059. The reversal of 40494008 is 80049404.

It is a happy number.

It is a congruent 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, 25316 + ... + 26867.

It is an arithmetic number, because the mean of its divisors is an integer number (4794405).

Almost surely, 2^40494008 is an apocalyptic number.

It is an amenable number.

40494008 is a deficient number, since it is larger than the sum of its proper divisors (36216472).

40494008 is a wasteful number, since it uses less digits than its factorization.

40494008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52286 (or 52282 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40494008 is about 6363.4902372833. The cubic root of 40494008 is about 343.3973358128.

The spelling of 40494008 in words is "forty million, four hundred ninety-four thousand, eight".