255452861140 has 12 divisors (see below), whose sum is σ = 536451008436. Its totient is φ = 102181144448.

The previous prime is 255452861123. The next prime is 255452861219. The reversal of 255452861140 is 41168254552.

It can be written as a sum of positive squares in 2 ways, for example, as 45602748304 + 209850112836 = 213548^2 + 458094^2 .

It is a super-2 number, since 2×255452861140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6386321509 + ... + 6386321548.

It is an arithmetic number, because the mean of its divisors is an integer number (44704250703).

Almost surely, 2^255452861140 is an apocalyptic number.

255452861140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255452861140 is an abundant number, since it is smaller than the sum of its proper divisors (280998147296).

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

255452861140 is a wasteful number, since it uses less digits than its factorization.

255452861140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772643066 (or 12772643064 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 255452861140 in words is "two hundred fifty-five billion, four hundred fifty-two million, eight hundred sixty-one thousand, one hundred forty".