18631268428700 has 18 divisors (see below), whose sum is σ = 40429852490496. Its totient is φ = 7452507371440.

The previous prime is 18631268428699. The next prime is 18631268428711. The reversal of 18631268428700 is 782486213681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93156342044 + ... + 93156342243.

Almost surely, 2^{18631268428700} is an apocalyptic number.

18631268428700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18631268428700 is an abundant number, since it is smaller than the sum of its proper divisors (21798584061796).

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

18631268428700 is a wasteful number, since it uses less digits than its factorization.

18631268428700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186312684301 (or 186312684294 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 18631268428700 in words is "eighteen trillion, six hundred thirty-one billion, two hundred sixty-eight million, four hundred twenty-eight thousand, seven hundred".