1255380004 has 24 divisors (see below), whose sum is σ = 2214938880. Its totient is φ = 622562304.

The previous prime is 1255379953. The next prime is 1255380023. The reversal of 1255380004 is 4000835521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248932 + ... + 253924.

It is an arithmetic number, because the mean of its divisors is an integer number (92289120).

Almost surely, 2^1255380004 is an apocalyptic number.

It is an amenable number.

1255380004 is a deficient number, since it is larger than the sum of its proper divisors (959558876).

1255380004 is a wasteful number, since it uses less digits than its factorization.

1255380004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499 (or 5497 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1255380004 is about 35431.3421140097. The cubic root of 1255380004 is about 1078.7605820633.

The spelling of 1255380004 in words is "one billion, two hundred fifty-five million, three hundred eighty thousand, four".