26891119944 has 192 divisors, whose sum is σ = 82266912000. Its totient is φ = 7873417728.

The previous prime is 26891119831. The next prime is 26891119949. The reversal of 26891119944 is 44991119862.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (26891119949) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4280934 + ... + 4287210.

It is an arithmetic number, because the mean of its divisors is an integer number (428473500).

Almost surely, 2^26891119944 is an apocalyptic number.

26891119944 is a gapful number since it is divisible by the number (24) 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 26891119944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41133456000).

26891119944 is an abundant number, since it is smaller than the sum of its proper divisors (55375792056).

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

26891119944 is a wasteful number, since it uses less digits than its factorization.

26891119944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524 (or 6517 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The spelling of 26891119944 in words is "twenty-six billion, eight hundred ninety-one million, one hundred nineteen thousand, nine hundred forty-four".