255644376 has 32 divisors (see below), whose sum is σ = 688274160. Its totient is φ = 78659712.

The previous prime is 255644369. The next prime is 255644377. The reversal of 255644376 is 673446552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255644377) 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, 409375 + ... + 409998.

Almost surely, 2^255644376 is an apocalyptic number.

255644376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255644376 is an abundant number, since it is smaller than the sum of its proper divisors (432629784).

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

255644376 is a wasteful number, since it uses less digits than its factorization.

255644376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819395 (or 819391 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 255644376 is about 15988.8828878068. The cubic root of 255644376 is about 634.6662647900. Note that the first 3 decimals are identical.

The spelling of 255644376 in words is "two hundred fifty-five million, six hundred forty-four thousand, three hundred seventy-six".