260320634 has 48 divisors (see below), whose sum is σ = 480906720. Its totient is φ = 105084000.

The previous prime is 260320633. The next prime is 260320637. The reversal of 260320634 is 436023062.

It is not an unprimeable number, because it can be changed into a prime (260320631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467084 + ... + 467640.

It is an arithmetic number, because the mean of its divisors is an integer number (10018890).

Almost surely, 2^260320634 is an apocalyptic number.

260320634 is a deficient number, since it is larger than the sum of its proper divisors (220586086).

260320634 is a wasteful number, since it uses less digits than its factorization.

260320634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 260320634 is about 16134.4548714854. The cubic root of 260320634 is about 638.5126872228.

Adding to 260320634 its reverse (436023062), we get a palindrome (696343696).

The spelling of 260320634 in words is "two hundred sixty million, three hundred twenty thousand, six hundred thirty-four".