260640400222 has 16 divisors (see below), whose sum is σ = 411998091552. Its totient is φ = 123419903200.

The previous prime is 260640400187. The next prime is 260640400243. The reversal of 260640400222 is 222004046062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28045333 + ... + 28054624.

It is an arithmetic number, because the mean of its divisors is an integer number (25749880722).

Almost surely, 2^260640400222 is an apocalyptic number.

260640400222 is a deficient number, since it is larger than the sum of its proper divisors (151357691330).

260640400222 is a wasteful number, since it uses less digits than its factorization.

260640400222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56100083.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 260640400222 its reverse (222004046062), we get a palindrome (482644446284).

The spelling of 260640400222 in words is "two hundred sixty billion, six hundred forty million, four hundred thousand, two hundred twenty-two".