255240622650 has 96 divisors (see below), whose sum is σ = 686031591168. Its totient is φ = 62428204800.

The previous prime is 255240622633. The next prime is 255240622657. The reversal of 255240622650 is 56226042552.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 255240622599 and 255240622608.

It is not an unprimeable number, because it can be changed into a prime (255240622657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110706 + ... + 723005.

It is an arithmetic number, because the mean of its divisors is an integer number (7146162408).

Almost surely, 2^255240622650 is an apocalyptic number.

255240622650 is an abundant number, since it is smaller than the sum of its proper divisors (430790968518).

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

255240622650 is a wasteful number, since it uses less digits than its factorization.

255240622650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833896 (or 833891 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 255240622650 in words is "two hundred fifty-five billion, two hundred forty million, six hundred twenty-two thousand, six hundred fifty".