1255358800 has 30 divisors (see below), whose sum is σ = 3016000478. Its totient is φ = 502143360.

The previous prime is 1255358779. The next prime is 1255358801. The reversal of 1255358800 is 88535521.

It can be written as a sum of positive squares in 3 ways, for example, as 110754576 + 1144604224 = 10524^2 + 33832^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1255358800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255358801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1568799 + ... + 1569598.

Almost surely, 2^1255358800 is an apocalyptic number.

1255358800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255358800 is an abundant number, since it is smaller than the sum of its proper divisors (1760641678).

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

1255358800 is a wasteful number, since it uses less digits than its factorization.

1255358800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138415 (or 3138404 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 1255358800 is about 35431.0428861472. The cubic root of 1255358800 is about 1078.7545084261.

The spelling of 1255358800 in words is "one billion, two hundred fifty-five million, three hundred fifty-eight thousand, eight hundred".