255142686834 has 40 divisors (see below), whose sum is σ = 653381275008. Its totient is φ = 72897910200.

The previous prime is 255142686811. The next prime is 255142686847. The reversal of 255142686834 is 438686241552.

255142686834 is a `hidden beast` number, since 2 + 5 + 514 + 2 + 68 + 68 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112495642 + ... + 112497909.

Almost surely, 2^255142686834 is an apocalyptic number.

255142686834 is an abundant number, since it is smaller than the sum of its proper divisors (398238588174).

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

255142686834 is a wasteful number, since it uses less digits than its factorization.

255142686834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224993572 (or 224993563 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 255142686834 in words is "two hundred fifty-five billion, one hundred forty-two million, six hundred eighty-six thousand, eight hundred thirty-four".