255914240 has 36 divisors (see below), whose sum is σ = 612997644. Its totient is φ = 102365184.

The previous prime is 255914213. The next prime is 255914257. The reversal of 255914240 is 42419552.

It can be written as a sum of positive squares in 2 ways, for example, as 43454464 + 212459776 = 6592^2 + 14576^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 255914197 and 255914206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98687 + ... + 101246.

Almost surely, 2^255914240 is an apocalyptic number.

255914240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255914240 is an abundant number, since it is smaller than the sum of its proper divisors (357083404).

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

255914240 is an equidigital number, since it uses as much as digits as its factorization.

255914240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199954 (or 199940 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 255914240 is about 15997.3197755124. The cubic root of 255914240 is about 634.8895089545.

The spelling of 255914240 in words is "two hundred fifty-five million, nine hundred fourteen thousand, two hundred forty".