255964327776 has 192 divisors, whose sum is σ = 754004160000. Its totient is φ = 84474441216.

The previous prime is 255964327733. The next prime is 255964327847. The reversal of 255964327776 is 677723469552.

It is a happy number.

255964327776 is a `hidden beast` number, since 2 + 5 + 596 + 4 + 32 + 7 + 7 + 7 + 6 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46714605 + ... + 46720083.

It is an arithmetic number, because the mean of its divisors is an integer number (3927105000).

Almost surely, 2^255964327776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255964327776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377002080000).

255964327776 is an abundant number, since it is smaller than the sum of its proper divisors (498039832224).

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

255964327776 is a wasteful number, since it uses less digits than its factorization.

255964327776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026 (or 6012 counting only the distinct ones).

The product of its digits is 133358400, while the sum is 63.

It can be divided in two parts, 255964 and 327776, that added together give a triangular number (583740 = T₁₀₈₀).

The spelling of 255964327776 in words is "two hundred fifty-five billion, nine hundred sixty-four million, three hundred twenty-seven thousand, seven hundred seventy-six".