255679730142 has 32 divisors (see below), whose sum is σ = 541855881504. Its totient is φ = 80151552000.

The previous prime is 255679730129. The next prime is 255679730239. The reversal of 255679730142 is 241037976552.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 830659 + ... + 1096062.

It is an arithmetic number, because the mean of its divisors is an integer number (16932996297).

Almost surely, 2^255679730142 is an apocalyptic number.

255679730142 is an abundant number, since it is smaller than the sum of its proper divisors (286176151362).

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

255679730142 is a wasteful number, since it uses less digits than its factorization.

255679730142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928044.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 255679730142 in words is "two hundred fifty-five billion, six hundred seventy-nine million, seven hundred thirty thousand, one hundred forty-two".