1255444984 has 16 divisors (see below), whose sum is σ = 2371143600. Its totient is φ = 623140032.

The previous prime is 1255444943. The next prime is 1255444987. The reversal of 1255444984 is 4894445521.

It is a super-2 number, since 2×1255444984² = 3152284215701520512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255444987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571644 + ... + 573835.

It is an arithmetic number, because the mean of its divisors is an integer number (148196475).

Almost surely, 2^1255444984 is an apocalyptic number.

It is an amenable number.

1255444984 is a deficient number, since it is larger than the sum of its proper divisors (1115698616).

1255444984 is a wasteful number, since it uses less digits than its factorization.

1255444984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145622 (or 1145618 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 1255444984 is about 35432.2590868830. The cubic root of 1255444984 is about 1078.7791943966.

The spelling of 1255444984 in words is "one billion, two hundred fifty-five million, four hundred forty-four thousand, nine hundred eighty-four".