260813028252 has 144 divisors (see below), whose sum is σ = 736198315776. Its totient is φ = 70354425600.

The previous prime is 260813028251. The next prime is 260813028277. The reversal of 260813028252 is 252820318062.

It is a self number, because there is not a number n which added to its sum of digits gives 260813028252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260813028251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3270283 + ... + 3349085.

It is an arithmetic number, because the mean of its divisors is an integer number (5112488304).

Almost surely, 2^260813028252 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 260813028252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368099157888).

260813028252 is an abundant number, since it is smaller than the sum of its proper divisors (475385287524).

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

260813028252 is a wasteful number, since it uses less digits than its factorization.

260813028252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78920 (or 78887 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 260813028252 in words is "two hundred sixty billion, eight hundred thirteen million, twenty-eight thousand, two hundred fifty-two".