260500090 has 16 divisors (see below), whose sum is σ = 469591200. Its totient is φ = 104046480.

The previous prime is 260500057. The next prime is 260500103. The reversal of 260500090 is 90005062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11940 + ... + 25759.

It is an arithmetic number, because the mean of its divisors is an integer number (29349450).

Almost surely, 2^260500090 is an apocalyptic number.

260500090 is a deficient number, since it is larger than the sum of its proper divisors (209091110).

260500090 is a wasteful number, since it uses less digits than its factorization.

260500090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38397.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 260500090 is about 16140.0151796707. The cubic root of 260500090 is about 638.6593763408.

The spelling of 260500090 in words is "two hundred sixty million, five hundred thousand, ninety".