255355432421022 has 16 divisors (see below), whose sum is σ = 567456516491280. Its totient is φ = 85118477473656.

The previous prime is 255355432421021. The next prime is 255355432421093. The reversal of 255355432421022 is 220124234553552.

255355432421022 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 554 + 32 + 42 + 1 + 0 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255355432421021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364402151993 + ... + 2364402152100.

It is an arithmetic number, because the mean of its divisors is an integer number (35466032280705).

Almost surely, 2^{255355432421022} is an apocalyptic number.

255355432421022 is an abundant number, since it is smaller than the sum of its proper divisors (312101084070258).

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

255355432421022 is a wasteful number, since it uses less digits than its factorization.

255355432421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728804304104 (or 4728804304098 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 255355432421022 its reverse (220124234553552), we get a palindrome (475479666974574).

The spelling of 255355432421022 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-two million, four hundred twenty-one thousand, twenty-two".