260299958416 has 15 divisors (see below), whose sum is σ = 504335123481. Its totient is φ = 130148958816.

The previous prime is 260299958383. The next prime is 260299958419. The reversal of 260299958416 is 614859992062.

The square root of 260299958416 is 510196.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 259484284816 + 815673600 = 509396^2 + 28560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260299958419) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1977010 + ... + 2104558.

Almost surely, 2^260299958416 is an apocalyptic number.

260299958416 is the 510196-th square number.

It is an amenable number.

260299958416 is a deficient number, since it is larger than the sum of its proper divisors (244035165065).

260299958416 is an frugal number, since it uses more digits than its factorization.

260299958416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255106 (or 127551 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 260299958416 in words is "two hundred sixty billion, two hundred ninety-nine million, nine hundred fifty-eight thousand, four hundred sixteen".