255549949022 has 8 divisors (see below), whose sum is σ = 383742037200. Its totient is φ = 127635936624.

The previous prime is 255549949013. The next prime is 255549949043. The reversal of 255549949022 is 220949945552.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69516647 + ... + 69520322.

It is an arithmetic number, because the mean of its divisors is an integer number (47967754650).

Almost surely, 2^255549949022 is an apocalyptic number.

255549949022 is a deficient number, since it is larger than the sum of its proper divisors (128192088178).

255549949022 is a wasteful number, since it uses less digits than its factorization.

255549949022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139037890.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 255549949022 in words is "two hundred fifty-five billion, five hundred forty-nine million, nine hundred forty-nine thousand, twenty-two".