5265257580 has 240 divisors, whose sum is σ = 18968463360. Its totient is φ = 1209168000.

The previous prime is 5265257549. The next prime is 5265257581. The reversal of 5265257580 is 857525625.

5265257580 is a `hidden beast` number, since 5 + 2 + 65 + 2 + 5 + 7 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5265257581) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 330805 + ... + 346355.

It is an arithmetic number, because the mean of its divisors is an integer number (79035264).

Almost surely, 2^5265257580 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 5265257580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9484231680).

5265257580 is an abundant number, since it is smaller than the sum of its proper divisors (13703205780).

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

5265257580 is a wasteful number, since it uses less digits than its factorization.

5265257580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15602 (or 15591 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 5265257580 is about 72562.0946500306. The cubic root of 5265257580 is about 1739.6953687862.

The spelling of 5265257580 in words is "five billion, two hundred sixty-five million, two hundred fifty-seven thousand, five hundred eighty".