260558604 has 18 divisors (see below), whose sum is σ = 658634340. Its totient is φ = 86852856.

The previous prime is 260558603. The next prime is 260558611. The reversal of 260558604 is 406855062.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×260558604² = 135781572236857632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7237739 = 260558604 / (2 + 6 + 0 + 5 + 5 + 8 + 6 + 0 + 4).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (260558603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3618834 + ... + 3618905.

Almost surely, 2^260558604 is an apocalyptic number.

It is an amenable number.

260558604 is an abundant number, since it is smaller than the sum of its proper divisors (398075736).

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

260558604 is a wasteful number, since it uses less digits than its factorization.

260558604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237749 (or 7237744 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 260558604 is about 16141.8277775474. The cubic root of 260558604 is about 638.7071917012.

It can be divided in two parts, 260558 and 604, that added together give a palindrome (261162).

The spelling of 260558604 in words is "two hundred sixty million, five hundred fifty-eight thousand, six hundred four".