18332048973238 has 128 divisors (see below), whose sum is σ = 38926508544000. Its totient is φ = 6235849203840.

The previous prime is 18332048973223. The next prime is 18332048973253. The reversal of 18332048973238 is 83237984023381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18332048973223) and next prime (18332048973253).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23156233 + ... + 23934811.

It is an arithmetic number, because the mean of its divisors is an integer number (304113348000).

Almost surely, 2^{18332048973238} is an apocalyptic number.

18332048973238 is an abundant number, since it is smaller than the sum of its proper divisors (20594459570762).

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

18332048973238 is a wasteful number, since it uses less digits than its factorization.

18332048973238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779250.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 18332048973238 in words is "eighteen trillion, three hundred thirty-two billion, forty-eight million, nine hundred seventy-three thousand, two hundred thirty-eight".