255747707406 has 24 divisors (see below), whose sum is σ = 561924543024. Its totient is φ = 84048541920.

The previous prime is 255747707399. The next prime is 255747707497. The reversal of 255747707406 is 604707747552.

255747707406 is a `hidden beast` number, since 2 + 557 + 47 + 7 + 0 + 7 + 40 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100056511 + ... + 100059066.

It is an arithmetic number, because the mean of its divisors is an integer number (23413522626).

Almost surely, 2^255747707406 is an apocalyptic number.

255747707406 is an abundant number, since it is smaller than the sum of its proper divisors (306176835618).

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

255747707406 is a wasteful number, since it uses less digits than its factorization.

255747707406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200115656 (or 200115653 counting only the distinct ones).

The product of its (nonzero) digits is 11524800, while the sum is 54.

The spelling of 255747707406 in words is "two hundred fifty-five billion, seven hundred forty-seven million, seven hundred seven thousand, four hundred six".