18138962594324 has 48 divisors (see below), whose sum is σ = 37298377126080. Its totient is φ = 7609593373440.

The previous prime is 18138962594321. The next prime is 18138962594351. The reversal of 18138962594324 is 42349526983181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18138962594321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343747 + ... + 6171189.

It is an arithmetic number, because the mean of its divisors is an integer number (777049523460).

Almost surely, 2^{18138962594324} is an apocalyptic number.

It is an amenable number.

18138962594324 is an abundant number, since it is smaller than the sum of its proper divisors (19159414531756).

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

18138962594324 is a wasteful number, since it uses less digits than its factorization.

18138962594324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834040 (or 4834038 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 65.

The spelling of 18138962594324 in words is "eighteen trillion, one hundred thirty-eight billion, nine hundred sixty-two million, five hundred ninety-four thousand, three hundred twenty-four".