255808676040 has 64 divisors (see below), whose sum is σ = 771444034560. Its totient is φ = 67858490880.

The previous prime is 255808676023. The next prime is 255808676059. The reversal of 255808676040 is 40676808552.

It is a happy 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, 5557549 + ... + 5603388.

It is an arithmetic number, because the mean of its divisors is an integer number (12053813040).

Almost surely, 2^255808676040 is an apocalyptic number.

255808676040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255808676040 is an abundant number, since it is smaller than the sum of its proper divisors (515635358520).

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

255808676040 is a wasteful number, since it uses less digits than its factorization.

255808676040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161142 (or 11161138 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 255808676040 in words is "two hundred fifty-five billion, eight hundred eight million, six hundred seventy-six thousand, forty".