255432121342 has 32 divisors (see below), whose sum is σ = 396428378112. Its totient is φ = 123370781184.

The previous prime is 255432121337. The next prime is 255432121429. The reversal of 255432121342 is 243121234552.

It is a super-2 number, since 2×255432121342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255432121298 and 255432121307.

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, 2248603 + ... + 2359465.

It is an arithmetic number, because the mean of its divisors is an integer number (12388386816).

Almost surely, 2^255432121342 is an apocalyptic number.

255432121342 is a deficient number, since it is larger than the sum of its proper divisors (140996256770).

255432121342 is a wasteful number, since it uses less digits than its factorization.

255432121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111232.

The product of its digits is 57600, while the sum is 34.

Adding to 255432121342 its reverse (243121234552), we get a palindrome (498553355894).

The spelling of 255432121342 in words is "two hundred fifty-five billion, four hundred thirty-two million, one hundred twenty-one thousand, three hundred forty-two".