255998472192 has 416 divisors, whose sum is σ = 792626688000. Its totient is φ = 81554964480.

The previous prime is 255998472187. The next prime is 255998472193. The reversal of 255998472192 is 291274899552.

255998472192 is a `hidden beast` number, since 2 + 559 + 9 + 8 + 4 + 72 + 1 + 9 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (255998472193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305122909 + ... + 305123747.

Almost surely, 2^255998472192 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 255998472192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396313344000).

255998472192 is an abundant number, since it is smaller than the sum of its proper divisors (536628215808).

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

255998472192 is an equidigital number, since it uses as much as digits as its factorization.

255998472192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 964 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 255998472192 in words is "two hundred fifty-five billion, nine hundred ninety-eight million, four hundred seventy-two thousand, one hundred ninety-two".