255886828442 has 16 divisors (see below), whose sum is σ = 439563891840. Its totient is φ = 109440594288.

The previous prime is 255886828433. The next prime is 255886828469. The reversal of 255886828442 is 244828688552.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18758717 + ... + 18772352.

It is an arithmetic number, because the mean of its divisors is an integer number (27472743240).

Almost surely, 2^255886828442 is an apocalyptic number.

255886828442 is a deficient number, since it is larger than the sum of its proper divisors (183677063398).

255886828442 is a wasteful number, since it uses less digits than its factorization.

255886828442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37531565.

The product of its digits is 78643200, while the sum is 62.

The spelling of 255886828442 in words is "two hundred fifty-five billion, eight hundred eighty-six million, eight hundred twenty-eight thousand, four hundred forty-two".