255429974742 has 32 divisors (see below), whose sum is σ = 513945907200. Its totient is φ = 84630443520.

The previous prime is 255429974717. The next prime is 255429974797. The reversal of 255429974742 is 247479924552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528267 + ... + 888777.

It is an arithmetic number, because the mean of its divisors is an integer number (16060809600).

Almost surely, 2^255429974742 is an apocalyptic number.

255429974742 is an abundant number, since it is smaller than the sum of its proper divisors (258515932458).

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

255429974742 is a wasteful number, since it uses less digits than its factorization.

255429974742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361228.

The product of its digits is 50803200, while the sum is 60.

The spelling of 255429974742 in words is "two hundred fifty-five billion, four hundred twenty-nine million, nine hundred seventy-four thousand, seven hundred forty-two".