255977412 has 12 divisors (see below), whose sum is σ = 597280656. Its totient is φ = 85325800.

The previous prime is 255977387. The next prime is 255977413. The reversal of 255977412 is 214779552.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (255977413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665714 + ... + 10665737.

It is an arithmetic number, because the mean of its divisors is an integer number (49773388).

Almost surely, 2^255977412 is an apocalyptic number.

It is an amenable number.

255977412 is an abundant number, since it is smaller than the sum of its proper divisors (341303244).

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

255977412 is a wasteful number, since it uses less digits than its factorization.

255977412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331458 (or 21331456 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 255977412 is about 15999.2941094287. The cubic root of 255977412 is about 634.9417451260.

The spelling of 255977412 in words is "two hundred fifty-five million, nine hundred seventy-seven thousand, four hundred twelve".