1255004400360 has 64 divisors (see below), whose sum is σ = 3765088756800. Its totient is φ = 334661124096.

The previous prime is 1255004400359. The next prime is 1255004400479. The reversal of 1255004400360 is 630044005521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9704847 + ... + 9833313.

It is an arithmetic number, because the mean of its divisors is an integer number (58829511825).

Almost surely, 2^{1255004400360} is an apocalyptic number.

1255004400360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255004400360 is an abundant number, since it is smaller than the sum of its proper divisors (2510084356440).

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

1255004400360 is a wasteful number, since it uses less digits than its factorization.

1255004400360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209890 (or 209886 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1255004400360 its reverse (630044005521), we get a palindrome (1885048405881).

The spelling of 1255004400360 in words is "one trillion, two hundred fifty-five billion, four million, four hundred thousand, three hundred sixty".