255423431512 has 32 divisors (see below), whose sum is σ = 517879811520. Its totient is φ = 117641827840.

The previous prime is 255423431491. The next prime is 255423431531. The reversal of 255423431512 is 215134324552.

It is a happy number.

255423431512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255423431512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19973539 + ... + 19986322.

It is an arithmetic number, because the mean of its divisors is an integer number (16183744110).

Almost surely, 2^255423431512 is an apocalyptic number.

It is an amenable number.

255423431512 is an abundant number, since it is smaller than the sum of its proper divisors (262456380008).

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

255423431512 is a wasteful number, since it uses less digits than its factorization.

255423431512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39959931 (or 39959927 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 255423431512 in words is "two hundred fifty-five billion, four hundred twenty-three million, four hundred thirty-one thousand, five hundred twelve".