260245515544 has 32 divisors (see below), whose sum is σ = 561680985600. Its totient is φ = 110731387680.

The previous prime is 260245515539. The next prime is 260245515553. The reversal of 260245515544 is 445515542062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 260245515544.

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, 16708912 + ... + 16724479.

It is an arithmetic number, because the mean of its divisors is an integer number (17552530800).

Almost surely, 2^260245515544 is an apocalyptic number.

It is an amenable number.

260245515544 is an abundant number, since it is smaller than the sum of its proper divisors (301435470056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260245515544 is a wasteful number, since it uses less digits than its factorization.

260245515544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33433543 (or 33433539 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 260245515544 in words is "two hundred sixty billion, two hundred forty-five million, five hundred fifteen thousand, five hundred forty-four".