18849267430252 has 72 divisors (see below), whose sum is σ = 38525952087504. Its totient is φ = 8045796261888.

The previous prime is 18849267430223. The next prime is 18849267430297. The reversal of 18849267430252 is 25203476294881.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496497823 + ... + 496535785.

It is an arithmetic number, because the mean of its divisors is an integer number (535082667882).

It is a 1-persistent number, because it is pandigital, but 2⋅18849267430252 = 37698534860504 is not.

Almost surely, 2^{18849267430252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18849267430252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19262976043752).

18849267430252 is an abundant number, since it is smaller than the sum of its proper divisors (19676684657252).

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

18849267430252 is a wasteful number, since it uses less digits than its factorization.

18849267430252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48095 (or 48086 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 18849267430252 in words is "eighteen trillion, eight hundred forty-nine billion, two hundred sixty-seven million, four hundred thirty thousand, two hundred fifty-two".