18409832207008 has 24 divisors (see below), whose sum is σ = 39539298718080. Its totient is φ = 8368105548480.

The previous prime is 18409832206999. The next prime is 18409832207017. The reversal of 18409832207008 is 80070223890481.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18409832206999) and next prime (18409832207017).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26150329488 + ... + 26150330191.

It is an arithmetic number, because the mean of its divisors is an integer number (1647470779920).

Almost surely, 2^{18409832207008} is an apocalyptic number.

It is an amenable number.

18409832207008 is an abundant number, since it is smaller than the sum of its proper divisors (21129466511072).

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

18409832207008 is a wasteful number, since it uses less digits than its factorization.

18409832207008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52300659700 (or 52300659692 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 18409832207008 in words is "eighteen trillion, four hundred nine billion, eight hundred thirty-two million, two hundred seven thousand, eight".