255155431422 has 16 divisors (see below), whose sum is σ = 510336554112. Its totient is φ = 85047528600.

The previous prime is 255155431403. The next prime is 255155431423. The reversal of 255155431422 is 224134551552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255155431423) 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, 940138 + ... + 1180749.

It is an arithmetic number, because the mean of its divisors is an integer number (31896034632).

Almost surely, 2^255155431422 is an apocalyptic number.

255155431422 is an abundant number, since it is smaller than the sum of its proper divisors (255181122690).

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

255155431422 is a wasteful number, since it uses less digits than its factorization.

255155431422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140943.

The product of its digits is 240000, while the sum is 39.

Adding to 255155431422 its reverse (224134551552), we get a palindrome (479289982974).

The spelling of 255155431422 in words is "two hundred fifty-five billion, one hundred fifty-five million, four hundred thirty-one thousand, four hundred twenty-two".