26239426480 has 20 divisors (see below), whose sum is σ = 61006666752. Its totient is φ = 10495770560.

The previous prime is 26239426469. The next prime is 26239426487. The reversal of 26239426480 is 8462493262.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 26239426480.

It is not an unprimeable number, because it can be changed into a prime (26239426487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163996336 + ... + 163996495.

Almost surely, 2^26239426480 is an apocalyptic number.

26239426480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26239426480 is an abundant number, since it is smaller than the sum of its proper divisors (34767240272).

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

26239426480 is a wasteful number, since it uses less digits than its factorization.

26239426480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327992844 (or 327992838 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 26239426480 in words is "twenty-six billion, two hundred thirty-nine million, four hundred twenty-six thousand, four hundred eighty".