255360774940 has 12 divisors (see below), whose sum is σ = 536257627416. Its totient is φ = 102144309968.

The previous prime is 255360774899. The next prime is 255360774959. The reversal of 255360774940 is 49477063552.

It is a happy number.

255360774940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6384019354 + ... + 6384019393.

It is an arithmetic number, because the mean of its divisors is an integer number (44688135618).

Almost surely, 2^255360774940 is an apocalyptic number.

255360774940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255360774940 is an abundant number, since it is smaller than the sum of its proper divisors (280896852476).

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

255360774940 is a wasteful number, since it uses less digits than its factorization.

255360774940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768038756 (or 12768038754 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 255360774940 in words is "two hundred fifty-five billion, three hundred sixty million, seven hundred seventy-four thousand, nine hundred forty".