255892620 has 24 divisors (see below), whose sum is σ = 716499504. Its totient is φ = 68238016.

The previous prime is 255892601. The next prime is 255892657. The reversal of 255892620 is 26298552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132379 + ... + 2132498.

It is an arithmetic number, because the mean of its divisors is an integer number (29854146).

Almost surely, 2^255892620 is an apocalyptic number.

255892620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255892620 is an abundant number, since it is smaller than the sum of its proper divisors (460606884).

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

255892620 is a wasteful number, since it uses less digits than its factorization.

255892620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264889 (or 4264887 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 255892620 is about 15996.6440230443. The cubic root of 255892620 is about 634.8716296606.

The spelling of 255892620 in words is "two hundred fifty-five million, eight hundred ninety-two thousand, six hundred twenty".