260400306 has 8 divisors (see below), whose sum is σ = 520800624. Its totient is φ = 86800100.

The previous prime is 260400293. The next prime is 260400311. The reversal of 260400306 is 603004062.

260400306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

260400306 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21700020 + ... + 21700031.

It is an arithmetic number, because the mean of its divisors is an integer number (65100078).

Almost surely, 2^260400306 is an apocalyptic number.

260400306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

260400306 is a wasteful number, since it uses less digits than its factorization.

260400306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43400056.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 260400306 is about 16136.9236845193. The cubic root of 260400306 is about 638.5778202258.

Adding to 260400306 its reverse (603004062), we get a palindrome (863404368).

The spelling of 260400306 in words is "two hundred sixty million, four hundred thousand, three hundred six".