260202638990 has 16 divisors (see below), whose sum is σ = 535274000352. Its totient is φ = 89212333344.

The previous prime is 260202638977. The next prime is 260202639043. The reversal of 260202638990 is 99836202062.

It is a happy number.

260202638990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858590209 + ... + 1858590348.

It is an arithmetic number, because the mean of its divisors is an integer number (33454625022).

Almost surely, 2^260202638990 is an apocalyptic number.

260202638990 is an abundant number, since it is smaller than the sum of its proper divisors (275071361362).

260202638990 is a wasteful number, since it uses less digits than its factorization.

260202638990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717180571.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 260202638990 in words is "two hundred sixty billion, two hundred two million, six hundred thirty-eight thousand, nine hundred ninety".