255682420 has 48 divisors (see below), whose sum is σ = 633443328. Its totient is φ = 84833280.

The previous prime is 255682391. The next prime is 255682423. The reversal of 255682420 is 24286552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255682423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25117 + ... + 33796.

It is an arithmetic number, because the mean of its divisors is an integer number (13196736).

Almost surely, 2^255682420 is an apocalyptic number.

255682420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255682420 is an abundant number, since it is smaller than the sum of its proper divisors (377760908).

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

255682420 is a wasteful number, since it uses less digits than its factorization.

255682420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58960 (or 58958 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 255682420 is about 15990.0725451763. The cubic root of 255682420 is about 634.6977460820.

The spelling of 255682420 in words is "two hundred fifty-five million, six hundred eighty-two thousand, four hundred twenty".