1255912480 has 24 divisors (see below), whose sum is σ = 2967093612. Its totient is φ = 502364928.

The previous prime is 1255912459. The next prime is 1255912487. The reversal of 1255912480 is 842195521.

It can be written as a sum of positive squares in 2 ways, for example, as 1170460944 + 85451536 = 34212^2 + 9244^2 .

It is not an unprimeable number, because it can be changed into a prime (1255912487) 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, 3924567 + ... + 3924886.

Almost surely, 2^1255912480 is an apocalyptic number.

1255912480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255912480 is an abundant number, since it is smaller than the sum of its proper divisors (1711181132).

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

1255912480 is an equidigital number, since it uses as much as digits as its factorization.

1255912480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849468 (or 7849460 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1255912480 is about 35438.8555119942. The cubic root of 1255912480 is about 1078.9130811534.

The spelling of 1255912480 in words is "one billion, two hundred fifty-five million, nine hundred twelve thousand, four hundred eighty".