18859734080 has 56 divisors (see below), whose sum is σ = 48992454720. Its totient is φ = 6858083840.

The previous prime is 18859734073. The next prime is 18859734107. The reversal of 18859734080 is 8043795881.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

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, 2675420 + ... + 2682459.

Almost surely, 2^18859734080 is an apocalyptic number.

18859734080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18859734080 is an abundant number, since it is smaller than the sum of its proper divisors (30132720640).

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

18859734080 is a wasteful number, since it uses less digits than its factorization.

18859734080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357907 (or 5357897 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 18859734080 in words is "eighteen billion, eight hundred fifty-nine million, seven hundred thirty-four thousand, eighty".