250255552998 has 128 divisors (see below), whose sum is σ = 563298748416. Its totient is φ = 73470758400.

The previous prime is 250255552997. The next prime is 250255553003. The reversal of 250255552998 is 899255552052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250255552997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154382628 + ... + 154384248.

It is an arithmetic number, because the mean of its divisors is an integer number (4400771472).

Almost surely, 2^250255552998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250255552998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281649374208).

250255552998 is an abundant number, since it is smaller than the sum of its proper divisors (313043195418).

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

250255552998 is a wasteful number, since it uses less digits than its factorization.

250255552998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158.

The product of its (nonzero) digits is 16200000, while the sum is 57.

The spelling of 250255552998 in words is "two hundred fifty billion, two hundred fifty-five million, five hundred fifty-two thousand, nine hundred ninety-eight".