40089817000 has 32 divisors (see below), whose sum is σ = 93810174120. Its totient is φ = 16035926400.

The previous prime is 40089816971. The next prime is 40089817037. The reversal of 40089817000 is 71898004.

It can be written as a sum of positive squares in 4 ways, for example, as 9242515044 + 30847301956 = 96138^2 + 175634^2 .

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, 20043909 + ... + 20045908.

Almost surely, 2^40089817000 is an apocalyptic number.

40089817000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40089817000 is an abundant number, since it is smaller than the sum of its proper divisors (53720357120).

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

40089817000 is a wasteful number, since it uses less digits than its factorization.

40089817000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40089838 (or 40089824 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 40089817000 in words is "forty billion, eighty-nine million, eight hundred seventeen thousand".