26620013368 has 48 divisors (see below), whose sum is σ = 54098745480. Its totient is φ = 12274464384.

The previous prime is 26620013347. The next prime is 26620013393. The reversal of 26620013368 is 86331002662.

It is a super-2 number, since 2×26620013368² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501371 + ... + 1518997.

Almost surely, 2^26620013368 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 26620013368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27049372740).

26620013368 is an abundant number, since it is smaller than the sum of its proper divisors (27478732112).

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

26620013368 is a wasteful number, since it uses less digits than its factorization.

26620013368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776 (or 18759 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 26620013368 in words is "twenty-six billion, six hundred twenty million, thirteen thousand, three hundred sixty-eight".