255770755988 has 48 divisors (see below), whose sum is σ = 515762903040. Its totient is φ = 109892613600.

The previous prime is 255770755963. The next prime is 255770756009. The reversal of 255770755988 is 889557077552.

255770755988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255770755988² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 2121758 + ... + 2239061.

It is an arithmetic number, because the mean of its divisors is an integer number (10745060480).

Almost surely, 2^255770755988 is an apocalyptic number.

It is an amenable number.

255770755988 is an abundant number, since it is smaller than the sum of its proper divisors (259992147052).

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

255770755988 is a wasteful number, since it uses less digits than its factorization.

255770755988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360908 (or 4360906 counting only the distinct ones).

The product of its (nonzero) digits is 246960000, while the sum is 68.

The spelling of 255770755988 in words is "two hundred fifty-five billion, seven hundred seventy million, seven hundred fifty-five thousand, nine hundred eighty-eight".