26380944 has 80 divisors (see below), whose sum is σ = 76780800. Its totient is φ = 8671104.

The previous prime is 26380933. The next prime is 26380951. The reversal of 26380944 is 44908362.

It is a happy number.

It is a super-2 number, since 2×26380944² = 1391908412662272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26380899 and 26380908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33742 + ... + 34514.

It is an arithmetic number, because the mean of its divisors is an integer number (959760).

Almost surely, 2^26380944 is an apocalyptic number.

26380944 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 26380944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38390400).

26380944 is an abundant number, since it is smaller than the sum of its proper divisors (50399856).

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

26380944 is a wasteful number, since it uses less digits than its factorization.

26380944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 26380944 is about 5136.2383122281. The cubic root of 26380944 is about 297.6894502183.

The spelling of 26380944 in words is "twenty-six million, three hundred eighty thousand, nine hundred forty-four".