255406219250 has 128 divisors (see below), whose sum is σ = 623071927296. Its totient is φ = 76076928000.

The previous prime is 255406219249. The next prime is 255406219283. The reversal of 255406219250 is 52912604552.

It is a junction number, because it is equal to n+sod(n) for n = 255406219198 and 255406219207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56555 + ... + 716945.

It is an arithmetic number, because the mean of its divisors is an integer number (4867749432).

Almost surely, 2^255406219250 is an apocalyptic number.

255406219250 is an abundant number, since it is smaller than the sum of its proper divisors (367665708046).

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

255406219250 is a wasteful number, since it uses less digits than its factorization.

255406219250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660445 (or 660435 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 255406219250 in words is "two hundred fifty-five billion, four hundred six million, two hundred nineteen thousand, two hundred fifty".