260401304 has 32 divisors (see below), whose sum is σ = 500048640. Its totient is φ = 127092000.

The previous prime is 260401303. The next prime is 260401307. The reversal of 260401304 is 403104062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260401303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56279 + ... + 60729.

It is an arithmetic number, because the mean of its divisors is an integer number (15626520).

Almost surely, 2^260401304 is an apocalyptic number.

It is an amenable number.

260401304 is a deficient number, since it is larger than the sum of its proper divisors (239647336).

260401304 is a wasteful number, since it uses less digits than its factorization.

260401304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631 (or 4627 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 260401304 is about 16136.9546073601. The cubic root of 260401304 is about 638.5786360209.

Adding to 260401304 its reverse (403104062), we get a palindrome (663505366).

The spelling of 260401304 in words is "two hundred sixty million, four hundred one thousand, three hundred four".