255539641344 has 88 divisors (see below), whose sum is σ = 733499217360. Its totient is φ = 78627569664.

The previous prime is 255539641307. The next prime is 255539641373. The reversal of 255539641344 is 443146935552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159429 + ... + 3239300.

Almost surely, 2^255539641344 is an apocalyptic number.

255539641344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255539641344 is an abundant number, since it is smaller than the sum of its proper divisors (477959576016).

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

255539641344 is a wasteful number, since it uses less digits than its factorization.

255539641344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398765 (or 6398747 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 51.

The spelling of 255539641344 in words is "two hundred fifty-five billion, five hundred thirty-nine million, six hundred forty-one thousand, three hundred forty-four".