255549949024 has 24 divisors (see below), whose sum is σ = 503232360120. Its totient is φ = 127744905216.

The previous prime is 255549949013. The next prime is 255549949043. The reversal of 255549949024 is 420949945552.

It is a self number, because there is not a number n which added to its sum of digits gives 255549949024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801249 + ... + 1073824.

It is an arithmetic number, because the mean of its divisors is an integer number (20968015005).

Almost surely, 2^255549949024 is an apocalyptic number.

It is an amenable number.

255549949024 is a deficient number, since it is larger than the sum of its proper divisors (247682411096).

255549949024 is a wasteful number, since it uses less digits than its factorization.

255549949024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879342 (or 1879334 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 255549949024 in words is "two hundred fifty-five billion, five hundred forty-nine million, nine hundred forty-nine thousand, twenty-four".