40007280808 has 32 divisors (see below), whose sum is σ = 81860724000. Its totient is φ = 18178983360.

The previous prime is 40007280787. The next prime is 40007280917. The reversal of 40007280808 is 80808270004.

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, 190378 + ... + 340966.

It is an arithmetic number, because the mean of its divisors is an integer number (2558147625).

Almost surely, 2^40007280808 is an apocalyptic number.

It is an amenable number.

40007280808 is an abundant number, since it is smaller than the sum of its proper divisors (41853443192).

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

40007280808 is a wasteful number, since it uses less digits than its factorization.

40007280808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153625 (or 153621 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 40007280808 in words is "forty billion, seven million, two hundred eighty thousand, eight hundred eight".