260434304988 has 192 divisors, whose sum is σ = 728975493120. Its totient is φ = 71922090240.

The previous prime is 260434304981. The next prime is 260434305101. The reversal of 260434304988 is 889403434062.

It is a self number, because there is not a number n which added to its sum of digits gives 260434304988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260434304981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16395306 + ... + 16411182.

It is an arithmetic number, because the mean of its divisors is an integer number (3796747360).

Almost surely, 2^260434304988 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 260434304988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364487746560).

260434304988 is an abundant number, since it is smaller than the sum of its proper divisors (468541188132).

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

260434304988 is a wasteful number, since it uses less digits than its factorization.

260434304988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16009 (or 15985 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 260434304988 in words is "two hundred sixty billion, four hundred thirty-four million, three hundred four thousand, nine hundred eighty-eight".