255430234550022 has 32 divisors (see below), whose sum is σ = 583844671802112. Its totient is φ = 72979550053344.

The previous prime is 255430234549999. The next prime is 255430234550039. The reversal of 255430234550022 is 220055432034552.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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, 15520468 + ... + 27417975.

It is an arithmetic number, because the mean of its divisors is an integer number (18245145993816).

Almost surely, 2^{255430234550022} is an apocalyptic number.

255430234550022 is an abundant number, since it is smaller than the sum of its proper divisors (328414437252090).

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

255430234550022 is a wasteful number, since it uses less digits than its factorization.

255430234550022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43080092.

The product of its (nonzero) digits is 1440000, while the sum is 42.

Adding to 255430234550022 its reverse (220055432034552), we get a palindrome (475485666584574).

The spelling of 255430234550022 in words is "two hundred fifty-five trillion, four hundred thirty billion, two hundred thirty-four million, five hundred fifty thousand, twenty-two".