26894442080 has 48 divisors (see below), whose sum is σ = 69314316624. Its totient is φ = 9779796480.

The previous prime is 26894442077. The next prime is 26894442151. The reversal of 26894442080 is 8024449862.

It is a happy number.

It is a super-2 number, since 2×26894442080² (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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7638707 + ... + 7642226.

It is an arithmetic number, because the mean of its divisors is an integer number (1444048263).

Almost surely, 2^26894442080 is an apocalyptic number.

26894442080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26894442080 is an abundant number, since it is smaller than the sum of its proper divisors (42419874544).

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

26894442080 is a wasteful number, since it uses less digits than its factorization.

26894442080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280959 (or 15280951 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 26894442080 in words is "twenty-six billion, eight hundred ninety-four million, four hundred forty-two thousand, eighty".