40568008 has 16 divisors (see below), whose sum is σ = 81916380. Its totient is φ = 18723648.

The previous prime is 40567997. The next prime is 40568009. The reversal of 40568008 is 80086504.

It can be written as a sum of positive squares in 2 ways, for example, as 32285124 + 8282884 = 5682^2 + 2878^2 .

It is not an unprimeable number, because it can be changed into a prime (40568009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194935 + ... + 195142.

Almost surely, 2^40568008 is an apocalyptic number.

It is an amenable number.

40568008 is an abundant number, since it is smaller than the sum of its proper divisors (41348372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40568008 is a wasteful number, since it uses less digits than its factorization.

40568008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390096 (or 390092 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 40568008 is about 6369.3020025745. The cubic root of 40568008 is about 343.6063868190.

The spelling of 40568008 in words is "forty million, five hundred sixty-eight thousand, eight".