255767320 has 16 divisors (see below), whose sum is σ = 575476560. Its totient is φ = 102306912.

The previous prime is 255767263. The next prime is 255767339. The reversal of 255767320 is 23767552.

It is a self number, because there is not a number n which added to its sum of digits gives 255767320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197052 + ... + 3197131.

It is an arithmetic number, because the mean of its divisors is an integer number (35967285).

Almost surely, 2^255767320 is an apocalyptic number.

255767320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255767320 is an abundant number, since it is smaller than the sum of its proper divisors (319709240).

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

255767320 is a wasteful number, since it uses less digits than its factorization.

255767320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394194 (or 6394190 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 255767320 is about 15992.7270970276. The cubic root of 255767320 is about 634.7679893098.

It can be divided in two parts, 25576 and 7320, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 255767320 in words is "two hundred fifty-five million, seven hundred sixty-seven thousand, three hundred twenty".