255239377716 has 48 divisors (see below), whose sum is σ = 610235337600. Its totient is φ = 82984135680.

The previous prime is 255239377699. The next prime is 255239377751. The reversal of 255239377716 is 617773932552.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 1992985 + ... + 2117183.

It is an arithmetic number, because the mean of its divisors is an integer number (12713236200).

Almost surely, 2^255239377716 is an apocalyptic number.

It is an amenable number.

255239377716 is an abundant number, since it is smaller than the sum of its proper divisors (354995959884).

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

255239377716 is a wasteful number, since it uses less digits than its factorization.

255239377716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128424 (or 128422 counting only the distinct ones).

The product of its digits is 16669800, while the sum is 57.

The spelling of 255239377716 in words is "two hundred fifty-five billion, two hundred thirty-nine million, three hundred seventy-seven thousand, seven hundred sixteen".