40605608 has 16 divisors (see below), whose sum is σ = 76455060. Its totient is φ = 20217600.

The previous prime is 40605599. The next prime is 40605619. The reversal of 40605608 is 80650604.

It can be written as a sum of positive squares in 2 ways, for example, as 31832164 + 8773444 = 5642^2 + 2962^2 .

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, 8603 + ... + 12458.

Almost surely, 2^40605608 is an apocalyptic number.

It is an amenable number.

40605608 is a deficient number, since it is larger than the sum of its proper divisors (35849452).

40605608 is a wasteful number, since it uses less digits than its factorization.

40605608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21308 (or 21304 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40605608 is about 6372.2529767736. The cubic root of 40605608 is about 343.7125099390.

The spelling of 40605608 in words is "forty million, six hundred five thousand, six hundred eight".