18826320614388 has 48 divisors (see below), whose sum is σ = 50203781491584. Its totient is φ = 5378920905600.

The previous prime is 18826320614377. The next prime is 18826320614393. The reversal of 18826320614388 is 88341602362881.

It is a super-3 number, since 3×18826320614388³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20114106 + ... + 21029262.

It is an arithmetic number, because the mean of its divisors is an integer number (1045912114408).

Almost surely, 2^{18826320614388} is an apocalyptic number.

It is an amenable number.

18826320614388 is an abundant number, since it is smaller than the sum of its proper divisors (31377460877196).

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

18826320614388 is a wasteful number, since it uses less digits than its factorization.

18826320614388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160072 (or 1160070 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 60.

The spelling of 18826320614388 in words is "eighteen trillion, eight hundred twenty-six billion, three hundred twenty million, six hundred fourteen thousand, three hundred eighty-eight".