255770654888 has 64 divisors (see below), whose sum is σ = 572198895360. Its totient is φ = 104797034496.

The previous prime is 255770654879. The next prime is 255770654917. The reversal of 255770654888 is 888456077552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2548670 + ... + 2647122.

It is an arithmetic number, because the mean of its divisors is an integer number (8940607740).

Almost surely, 2^255770654888 is an apocalyptic number.

255770654888 is a gapful number since it is divisible by the number (28) 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 255770654888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286099447680).

255770654888 is an abundant number, since it is smaller than the sum of its proper divisors (316428240472).

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

255770654888 is a wasteful number, since it uses less digits than its factorization.

255770654888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100506 (or 100502 counting only the distinct ones).

The product of its (nonzero) digits is 150528000, while the sum is 65.

The spelling of 255770654888 in words is "two hundred fifty-five billion, seven hundred seventy million, six hundred fifty-four thousand, eight hundred eighty-eight".