255640108 has 12 divisors (see below), whose sum is σ = 454047832. Its totient is φ = 125912160.

The previous prime is 255640069. The next prime is 255640109. The reversal of 255640108 is 801046552.

255640108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255640108.

It is not an unprimeable number, because it can be changed into a prime (255640109) 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, 476673 + ... + 477208.

Almost surely, 2^255640108 is an apocalyptic number.

It is an amenable number.

255640108 is a deficient number, since it is larger than the sum of its proper divisors (198407724).

255640108 is a wasteful number, since it uses less digits than its factorization.

255640108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953952 (or 953950 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 255640108 is about 15988.7494195137. The cubic root of 255640108 is about 634.6627328384.

The spelling of 255640108 in words is "two hundred fifty-five million, six hundred forty thousand, one hundred eight".