18038876426680 has 32 divisors (see below), whose sum is σ = 42974970312240. Its totient is φ = 6791106419200.

The previous prime is 18038876426647. The next prime is 18038876426699. The reversal of 18038876426680 is 8662467883081.

It is a super-3 number, since 3×18038876426680³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 13263879046 + ... + 13263880405.

Almost surely, 2^{18038876426680} is an apocalyptic number.

18038876426680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18038876426680 is an abundant number, since it is smaller than the sum of its proper divisors (24936093885560).

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

18038876426680 is a wasteful number, since it uses less digits than its factorization.

18038876426680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527759479 (or 26527759475 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 67.

The spelling of 18038876426680 in words is "eighteen trillion, thirty-eight billion, eight hundred seventy-six million, four hundred twenty-six thousand, six hundred eighty".