255296590900 has 144 divisors (see below), whose sum is σ = 619947209728. Its totient is φ = 90616320000.

The previous prime is 255296590889. The next prime is 255296590921. The reversal of 255296590900 is 9095692552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6064324 + ... + 6106276.

Almost surely, 2^255296590900 is an apocalyptic number.

255296590900 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 255296590900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309973604864).

255296590900 is an abundant number, since it is smaller than the sum of its proper divisors (364650618828).

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

255296590900 is a wasteful number, since it uses less digits than its factorization.

255296590900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42162 (or 42155 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 52.

The spelling of 255296590900 in words is "two hundred fifty-five billion, two hundred ninety-six million, five hundred ninety thousand, nine hundred".