26918880 has 48 divisors (see below), whose sum is σ = 84795984. Its totient is φ = 7178240.

The previous prime is 26918867. The next prime is 26918887. The reversal of 26918880 is 8881962.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×26918880² = 1449252200908800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26918887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27561 + ... + 28520.

It is an arithmetic number, because the mean of its divisors is an integer number (1766583).

Almost surely, 2^26918880 is an apocalyptic number.

26918880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26918880 is an abundant number, since it is smaller than the sum of its proper divisors (57877104).

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

26918880 is a wasteful number, since it uses less digits than its factorization.

26918880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56099 (or 56091 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 26918880 is about 5188.3407752383. The cubic root of 26918880 is about 299.6992541628.

The spelling of 26918880 in words is "twenty-six million, nine hundred eighteen thousand, eight hundred eighty".