1255480800 has 144 divisors (see below), whose sum is σ = 4670451072. Its totient is φ = 286963200.

The previous prime is 1255480777. The next prime is 1255480819. The reversal of 1255480800 is 80845521.

1255480800 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20566 + ... + 54165.

It is an arithmetic number, because the mean of its divisors is an integer number (32433688).

Almost surely, 2^1255480800 is an apocalyptic number.

1255480800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255480800 is an abundant number, since it is smaller than the sum of its proper divisors (3414970272).

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

1255480800 is a wasteful number, since it uses less digits than its factorization.

1255480800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74761 (or 74748 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 1255480800 is about 35432.7644984130. The cubic root of 1255480800 is about 1078.7894529606.

The spelling of 1255480800 in words is "one billion, two hundred fifty-five million, four hundred eighty thousand, eight hundred".