255162070272 has 72 divisors (see below), whose sum is σ = 680724848160. Its totient is φ = 84850923520.

The previous prime is 255162070249. The next prime is 255162070277. The reversal of 255162070272 is 272070261552.

It is a self number, because there is not a number n which added to its sum of digits gives 255162070272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255162070277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74679 + ... + 718262.

It is an arithmetic number, because the mean of its divisors is an integer number (9454511780).

Almost surely, 2^255162070272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255162070272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340362424080).

255162070272 is an abundant number, since it is smaller than the sum of its proper divisors (425562777888).

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

255162070272 is an equidigital number, since it uses as much as digits as its factorization.

255162070272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793379 (or 793365 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 255162070272 in words is "two hundred fifty-five billion, one hundred sixty-two million, seventy thousand, two hundred seventy-two".