255776048 has 40 divisors (see below), whose sum is σ = 541632000. Its totient is φ = 116043840.

The previous prime is 255776047. The next prime is 255776057. The reversal of 255776048 is 840677552.

It is a Cunningham number, because it is equal to 15993²-1.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (255776047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126953 + ... + 128951.

It is an arithmetic number, because the mean of its divisors is an integer number (13540800).

Almost surely, 2^255776048 is an apocalyptic number.

It is an amenable number.

255776048 is an abundant number, since it is smaller than the sum of its proper divisors (285855952).

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

255776048 is a wasteful number, since it uses less digits than its factorization.

255776048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 255776048 is about 15992.9999687363. Note that the first 4 decimals coincide. The cubic root of 255776048 is about 634.7752096641.

The spelling of 255776048 in words is "two hundred fifty-five million, seven hundred seventy-six thousand, forty-eight".