26680444 has 12 divisors (see below), whose sum is σ = 53360944. Its totient is φ = 11434464.

The previous prime is 26680439. The next prime is 26680447. The reversal of 26680444 is 44408662.

It is a happy number.

26680444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26680447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476409 + ... + 476464.

Almost surely, 2^26680444 is an apocalyptic number.

It is an amenable number.

26680444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26680444 is a wasteful number, since it uses less digits than its factorization.

26680444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952884 (or 952882 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 26680444 is about 5165.3116072508. The cubic root of 26680444 is about 298.8117590847.

The spelling of 26680444 in words is "twenty-six million, six hundred eighty thousand, four hundred forty-four".