1255589260 has 24 divisors (see below), whose sum is σ = 2649242736. Its totient is φ = 499853760.

The previous prime is 1255589233. The next prime is 1255589267. The reversal of 1255589260 is 629855521.

It is not an unprimeable number, because it can be changed into a prime (1255589267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144547 + ... + 152986.

It is an arithmetic number, because the mean of its divisors is an integer number (110385114).

Almost surely, 2^1255589260 is an apocalyptic number.

1255589260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255589260 is an abundant number, since it is smaller than the sum of its proper divisors (1393653476).

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

1255589260 is a wasteful number, since it uses less digits than its factorization.

1255589260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297753 (or 297751 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 1255589260 is about 35434.2949697041. The cubic root of 1255589260 is about 1078.8205173239.

The spelling of 1255589260 in words is "one billion, two hundred fifty-five million, five hundred eighty-nine thousand, two hundred sixty".