260642044266 has 16 divisors (see below), whose sum is σ = 521298151488. Its totient is φ = 86878337600.

The previous prime is 260642044259. The next prime is 260642044427. The reversal of 260642044266 is 662440246062.

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, 336870 + ... + 796721.

It is an arithmetic number, because the mean of its divisors is an integer number (32581134468).

Almost surely, 2^260642044266 is an apocalyptic number.

260642044266 is an abundant number, since it is smaller than the sum of its proper divisors (260656107222).

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

260642044266 is a wasteful number, since it uses less digits than its factorization.

260642044266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171917.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 260642044266 in words is "two hundred sixty billion, six hundred forty-two million, forty-four thousand, two hundred sixty-six".