260400322 has 32 divisors (see below), whose sum is σ = 509023872. Its totient is φ = 96954624.

The previous prime is 260400317. The next prime is 260400323. The reversal of 260400322 is 223004062.

It is a self number, because there is not a number n which added to its sum of digits gives 260400322.

It is not an unprimeable number, because it can be changed into a prime (260400323) 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 15 ways as a sum of consecutive naturals, for example, 38988 + ... + 45175.

It is an arithmetic number, because the mean of its divisors is an integer number (15906996).

Almost surely, 2^260400322 is an apocalyptic number.

260400322 is a deficient number, since it is larger than the sum of its proper divisors (248623550).

260400322 is a wasteful number, since it uses less digits than its factorization.

260400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84202.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 260400322 is about 16136.9241802767. The cubic root of 260400322 is about 638.5778333047.

Adding to 260400322 its reverse (223004062), we get a palindrome (483404384).

The spelling of 260400322 in words is "two hundred sixty million, four hundred thousand, three hundred twenty-two".