260651278692 has 144 divisors (see below), whose sum is σ = 777326309760. Its totient is φ = 72095837184.

The previous prime is 260651278651. The next prime is 260651278729. The reversal of 260651278692 is 296872156062.

260651278692 is a `hidden beast` number, since 2 + 60 + 6 + 512 + 7 + 8 + 69 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118034 + ... + 1330902.

Almost surely, 2^260651278692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260651278692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388663154880).

260651278692 is an abundant number, since it is smaller than the sum of its proper divisors (516675031068).

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

260651278692 is a wasteful number, since it uses less digits than its factorization.

260651278692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213042 (or 213037 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 260651278692 in words is "two hundred sixty billion, six hundred fifty-one million, two hundred seventy-eight thousand, six hundred ninety-two".