255430322152 has 8 divisors (see below), whose sum is σ = 478931854050. Its totient is φ = 127715161072.

The previous prime is 255430322149. The next prime is 255430322153. The reversal of 255430322152 is 251223034552.

It can be written as a sum of positive squares in only one way, i.e., 231663166596 + 23767155556 = 481314^2 + 154166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×255430322152² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255430322153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15964395127 + ... + 15964395142.

Almost surely, 2^255430322152 is an apocalyptic number.

It is an amenable number.

255430322152 is a deficient number, since it is larger than the sum of its proper divisors (223501531898).

255430322152 is a wasteful number, since it uses less digits than its factorization.

255430322152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31928790275 (or 31928790271 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 255430322152 in words is "two hundred fifty-five billion, four hundred thirty million, three hundred twenty-two thousand, one hundred fifty-two".