26442646260 has 48 divisors (see below), whose sum is σ = 78394671936. Its totient is φ = 6636585472.

The previous prime is 26442646213. The next prime is 26442646271. The reversal of 26442646260 is 6264624462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12961062 + ... + 12963101.

It is an arithmetic number, because the mean of its divisors is an integer number (1633222332).

Almost surely, 2^26442646260 is an apocalyptic number.

26442646260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26442646260 is an abundant number, since it is smaller than the sum of its proper divisors (51952025676).

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

26442646260 is a wasteful number, since it uses less digits than its factorization.

26442646260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25924192 (or 25924190 counting only the distinct ones).

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

The spelling of 26442646260 in words is "twenty-six billion, four hundred forty-two million, six hundred forty-six thousand, two hundred sixty".