253530774065360 has 160 divisors (see below), whose sum is σ = 648841215290112. Its totient is φ = 91362449776640.

The previous prime is 253530774065347. The next prime is 253530774065363. The reversal of 253530774065360 is 63560477035352.

It is a junction number, because it is equal to n+sod(n) for n = 253530774065296 and 253530774065305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530774065363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627960677 + ... + 628364283.

Almost surely, 2^{253530774065360} is an apocalyptic number.

253530774065360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253530774065360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324420607645056).

253530774065360 is an abundant number, since it is smaller than the sum of its proper divisors (395310441224752).

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

253530774065360 is a wasteful number, since it uses less digits than its factorization.

253530774065360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410061 (or 410055 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 56.

It can be divided in two parts, 2535307 and 74065360, that added together give a palindrome (76600667).

The spelling of 253530774065360 in words is "two hundred fifty-three trillion, five hundred thirty billion, seven hundred seventy-four million, sixty-five thousand, three hundred sixty".