40478008 has 16 divisors (see below), whose sum is σ = 77329080. Its totient is φ = 19856928.

The previous prime is 40477981. The next prime is 40478027. The reversal of 40478008 is 80087404.

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, 47310 + ... + 48157.

Almost surely, 2^40478008 is an apocalyptic number.

It is an amenable number.

40478008 is a deficient number, since it is larger than the sum of its proper divisors (36851072).

40478008 is a wasteful number, since it uses less digits than its factorization.

40478008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95526 (or 95522 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 40478008 is about 6362.2329413501. The cubic root of 40478008 is about 343.3521021149.

The spelling of 40478008 in words is "forty million, four hundred seventy-eight thousand, eight".