255711480 has 32 divisors (see below), whose sum is σ = 767134800. Its totient is φ = 68189696.

The previous prime is 255711457. The next prime is 255711499. The reversal of 255711480 is 84117552.

It is a super-2 number, since 2×255711480² = 130776722007580800, which contains 22 as substring.

It is a congruent number.

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, 1065345 + ... + 1065584.

Almost surely, 2^255711480 is an apocalyptic number.

255711480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255711480 is an abundant number, since it is smaller than the sum of its proper divisors (511423320).

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

255711480 is a wasteful number, since it uses less digits than its factorization.

255711480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130943 (or 2130939 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 255711480 is about 15990.9812081686. The cubic root of 255711480 is about 634.7217910382.

The spelling of 255711480 in words is "two hundred fifty-five million, seven hundred eleven thousand, four hundred eighty".