80040618208 has 12 divisors (see below), whose sum is σ = 157579967160. Its totient is φ = 40020309088.

The previous prime is 80040618157. The next prime is 80040618283. The reversal of 80040618208 is 80281604008.

It is a super-2 number, since 2×80040618208² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250634628 + ... + 1250634691.

It is an arithmetic number, because the mean of its divisors is an integer number (13131663930).

Almost surely, 2^80040618208 is an apocalyptic number.

It is an amenable number.

80040618208 is a deficient number, since it is larger than the sum of its proper divisors (77539348952).

80040618208 is a wasteful number, since it uses less digits than its factorization.

80040618208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501269329 (or 2501269321 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 80040618208 in words is "eighty billion, forty million, six hundred eighteen thousand, two hundred eight".