255877962840 has 48 divisors (see below), whose sum is σ = 831603380400. Its totient is φ = 68234123328.

The previous prime is 255877962833. The next prime is 255877962889. The reversal of 255877962840 is 48269778552.

255877962840 is a `hidden beast` number, since 2 + 5 + 587 + 7 + 9 + 6 + 2 + 8 + 40 = 666.

255877962840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355385700 + ... + 355386419.

It is an arithmetic number, because the mean of its divisors is an integer number (17325070425).

Almost surely, 2^255877962840 is an apocalyptic number.

255877962840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255877962840 is an abundant number, since it is smaller than the sum of its proper divisors (575725417560).

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

255877962840 is a wasteful number, since it uses less digits than its factorization.

255877962840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710772136 (or 710772129 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 255877962840 in words is "two hundred fifty-five billion, eight hundred seventy-seven million, nine hundred sixty-two thousand, eight hundred forty".