40811408 has 40 divisors (see below), whose sum is σ = 86619456. Its totient is φ = 18473600.

The previous prime is 40811399. The next prime is 40811413. The reversal of 40811408 is 80411804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80885 + ... + 81387.

Almost surely, 2^40811408 is an apocalyptic number.

It is an amenable number.

40811408 is an abundant number, since it is smaller than the sum of its proper divisors (45808048).

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

40811408 is a wasteful number, since it uses less digits than its factorization.

40811408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 40811408 is about 6388.3807024942. The cubic root of 40811408 is about 344.2922070988.

The spelling of 40811408 in words is "forty million, eight hundred eleven thousand, four hundred eight".