255951796 has 24 divisors (see below), whose sum is σ = 490621320. Its totient is φ = 116293632.

The previous prime is 255951769. The next prime is 255951799. The reversal of 255951796 is 697159552.

It can be written as a sum of positive squares in 4 ways, for example, as 117418896 + 138532900 = 10836^2 + 11770^2 .

It is a super-2 number, since 2×255951796² = 131022643751251232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255951799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62925 + ... + 66868.

It is an arithmetic number, because the mean of its divisors is an integer number (20442555).

Almost surely, 2^255951796 is an apocalyptic number.

It is an amenable number.

255951796 is a deficient number, since it is larger than the sum of its proper divisors (234669524).

255951796 is a wasteful number, since it uses less digits than its factorization.

255951796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129843 (or 129841 counting only the distinct ones).

The product of its digits is 850500, while the sum is 49.

The square root of 255951796 is about 15998.4935540819. The cubic root of 255951796 is about 634.9205645979.

The spelling of 255951796 in words is "two hundred fifty-five million, nine hundred fifty-one thousand, seven hundred ninety-six".