255681427042 has 8 divisors (see below), whose sum is σ = 383528152656. Its totient is φ = 127838709492.

The previous prime is 255681427033. The next prime is 255681427049. The reversal of 255681427042 is 240724186552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 255681426983 and 255681427001.

It is not an unprimeable number, because it can be changed into a prime (255681427049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837108 + ... + 1100959.

It is an arithmetic number, because the mean of its divisors is an integer number (47941019082).

Almost surely, 2^255681427042 is an apocalyptic number.

255681427042 is a deficient number, since it is larger than the sum of its proper divisors (127846725614).

255681427042 is a wasteful number, since it uses less digits than its factorization.

255681427042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004032.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 255681427042 in words is "two hundred fifty-five billion, six hundred eighty-one million, four hundred twenty-seven thousand, forty-two".