255386507750 has 128 divisors (see below), whose sum is σ = 552703492224. Its totient is φ = 87329280000.

The previous prime is 255386507711. The next prime is 255386507771. The reversal of 255386507750 is 57705683552.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 255386507692 and 255386507701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93171380 + ... + 93174120.

It is an arithmetic number, because the mean of its divisors is an integer number (4317996033).

Almost surely, 2^255386507750 is an apocalyptic number.

255386507750 is an abundant number, since it is smaller than the sum of its proper divisors (297316984474).

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

255386507750 is a wasteful number, since it uses less digits than its factorization.

255386507750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 53.

The spelling of 255386507750 in words is "two hundred fifty-five billion, three hundred eighty-six million, five hundred seven thousand, seven hundred fifty".