18539453282026 has 24 divisors (see below), whose sum is σ = 29354596408800. Its totient is φ = 8780427516456.

The previous prime is 18539453281991. The next prime is 18539453282041. The reversal of 18539453282026 is 62028235493581.

It is a super-2 number, since 2×18539453282026² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2404545 + ... + 6546811.

It is an arithmetic number, because the mean of its divisors is an integer number (1223108183700).

Almost surely, 2^{18539453282026} is an apocalyptic number.

18539453282026 is a deficient number, since it is larger than the sum of its proper divisors (10815143126774).

18539453282026 is a wasteful number, since it uses less digits than its factorization.

18539453282026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148506 (or 4148487 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 58.

The spelling of 18539453282026 in words is "eighteen trillion, five hundred thirty-nine billion, four hundred fifty-three million, two hundred eighty-two thousand, twenty-six".