255342243552 has 96 divisors (see below), whose sum is σ = 731310539904. Its totient is φ = 77365516800.

The previous prime is 255342243509. The next prime is 255342243557.

255342243552 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×255342243552² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255342243557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10587027 + ... + 10611117.

It is an arithmetic number, because the mean of its divisors is an integer number (7617818124).

Almost surely, 2^255342243552 is an apocalyptic number.

255342243552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255342243552 is an abundant number, since it is smaller than the sum of its proper divisors (475968296352).

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

255342243552 is a wasteful number, since it uses less digits than its factorization.

255342243552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34152 (or 34144 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 42.

It can be divided in two parts, 255342 and 243552, that added together give a palindrome (498894).

The spelling of 255342243552 in words is "two hundred fifty-five billion, three hundred forty-two million, two hundred forty-three thousand, five hundred fifty-two".