26642204260 has 96 divisors (see below), whose sum is σ = 65942553600. Its totient is φ = 8851584000.

The previous prime is 26642204257. The next prime is 26642204287. The reversal of 26642204260 is 6240224662.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839685 + ... + 870835.

It is an arithmetic number, because the mean of its divisors is an integer number (686901600).

Almost surely, 2^26642204260 is an apocalyptic number.

26642204260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26642204260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32971276800).

26642204260 is an abundant number, since it is smaller than the sum of its proper divisors (39300349340).

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

26642204260 is a wasteful number, since it uses less digits than its factorization.

26642204260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31357 (or 31355 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 26642204260 in words is "twenty-six billion, six hundred forty-two million, two hundred four thousand, two hundred sixty".