40012908 has 24 divisors (see below), whose sum is σ = 100545648. Its totient is φ = 12311616.

The previous prime is 40012897. The next prime is 40012913. The reversal of 40012908 is 80921004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128091 + ... + 128402.

It is an arithmetic number, because the mean of its divisors is an integer number (4189402).

Almost surely, 2^40012908 is an apocalyptic number.

It is an amenable number.

40012908 is an abundant number, since it is smaller than the sum of its proper divisors (60532740).

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

40012908 is a wasteful number, since it uses less digits than its factorization.

40012908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256513 (or 256511 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 40012908 is about 6325.5757050248. The cubic root of 40012908 is about 342.0319726615.

The spelling of 40012908 in words is "forty million, twelve thousand, nine hundred eight".