298172538880 has 224 divisors, whose sum is σ = 767550103200. Its totient is φ = 110844444672.

The previous prime is 298172538877. The next prime is 298172538883. The reversal of 298172538880 is 88835271892.

It is an interprime number because it is at equal distance from previous prime (298172538877) and next prime (298172538883).

It is a super-2 number, since 2×298172538880² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298172538883) 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, 41243106 + ... + 41250334.

Almost surely, 2^298172538880 is an apocalyptic number.

298172538880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298172538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383775051600).

298172538880 is an abundant number, since it is smaller than the sum of its proper divisors (469377564320).

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

298172538880 is an equidigital number, since it uses as much as digits as its factorization.

298172538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332 (or 7308 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 298172538880 in words is "two hundred ninety-eight billion, one hundred seventy-two million, five hundred thirty-eight thousand, eight hundred eighty".