255881942 has 16 divisors (see below), whose sum is σ = 389292480. Its totient is φ = 126126528.

The previous prime is 255881939. The next prime is 255881963. The reversal of 255881942 is 249188552.

255881942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255881893 and 255881902.

It is a congruent 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, 63368 + ... + 67284.

It is an arithmetic number, because the mean of its divisors is an integer number (24330780).

Almost surely, 2^255881942 is an apocalyptic number.

255881942 is a deficient number, since it is larger than the sum of its proper divisors (133410538).

255881942 is a wasteful number, since it uses less digits than its factorization.

255881942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its digits is 230400, while the sum is 44.

The square root of 255881942 is about 15996.3102620573. The cubic root of 255881942 is about 634.8627988034.

The spelling of 255881942 in words is "two hundred fifty-five million, eight hundred eighty-one thousand, nine hundred forty-two".