298256040420 has 96 divisors (see below), whose sum is σ = 899755304448. Its totient is φ = 73384330752.

The previous prime is 298256040373. The next prime is 298256040463. The reversal of 298256040420 is 24040652892.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1700262 + ... + 1867458.

It is an arithmetic number, because the mean of its divisors is an integer number (9372451088).

Almost surely, 2^298256040420 is an apocalyptic number.

298256040420 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 298256040420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449877652224).

298256040420 is an abundant number, since it is smaller than the sum of its proper divisors (601499264028).

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

298256040420 is a wasteful number, since it uses less digits than its factorization.

298256040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169509 (or 169507 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 298256040420 in words is "two hundred ninety-eight billion, two hundred fifty-six million, forty thousand, four hundred twenty".