40089500008 has 32 divisors (see below), whose sum is σ = 77775049800. Its totient is φ = 19349757952.

The previous prime is 40089499981. The next prime is 40089500047. The reversal of 40089500008 is 80000598004.

It can be written as a sum of positive squares in 4 ways, for example, as 33473629764 + 6615870244 = 182958^2 + 81338^2 .

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, 1437816 + ... + 1465432.

Almost surely, 2^40089500008 is an apocalyptic number.

It is an amenable number.

40089500008 is a deficient number, since it is larger than the sum of its proper divisors (37685549792).

40089500008 is a wasteful number, since it uses less digits than its factorization.

40089500008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33909 (or 33905 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 40089500008 in words is "forty billion, eighty-nine million, five hundred thousand, eight".