18488832348 has 192 divisors, whose sum is σ = 52441159680. Its totient is φ = 4956069888.

The previous prime is 18488832337. The next prime is 18488832359. The reversal of 18488832348 is 84323888481.

It is an interprime number because it is at equal distance from previous prime (18488832337) and next prime (18488832359).

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, 47528938 + ... + 47529326.

It is an arithmetic number, because the mean of its divisors is an integer number (273131040).

Almost surely, 2^18488832348 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 18488832348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26220579840).

18488832348 is an abundant number, since it is smaller than the sum of its proper divisors (33952327332).

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

18488832348 is a wasteful number, since it uses less digits than its factorization.

18488832348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 834 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 57.

The spelling of 18488832348 in words is "eighteen billion, four hundred eighty-eight million, eight hundred thirty-two thousand, three hundred forty-eight".