255463253772 has 12 divisors (see below), whose sum is σ = 596080925496. Its totient is φ = 85154417920.

The previous prime is 255463253737. The next prime is 255463253779. The reversal of 255463253772 is 277352364552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×255463253772² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (255463253779) 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 in 3 ways as a sum of consecutive naturals, for example, 10644302229 + ... + 10644302252.

It is an arithmetic number, because the mean of its divisors is an integer number (49673410458).

Almost surely, 2^255463253772 is an apocalyptic number.

It is an amenable number.

255463253772 is an abundant number, since it is smaller than the sum of its proper divisors (340617671724).

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

255463253772 is a wasteful number, since it uses less digits than its factorization.

255463253772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21288604488 (or 21288604486 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 51.

The spelling of 255463253772 in words is "two hundred fifty-five billion, four hundred sixty-three million, two hundred fifty-three thousand, seven hundred seventy-two".