26881880 has 32 divisors (see below), whose sum is σ = 61894800. Its totient is φ = 10502016.

The previous prime is 26881873. The next prime is 26881891. The reversal of 26881880 is 8818862.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 6095 + ... + 9534.

Almost surely, 2^26881880 is an apocalyptic number.

26881880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26881880 is an abundant number, since it is smaller than the sum of its proper divisors (35012920).

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

26881880 is a wasteful number, since it uses less digits than its factorization.

26881880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15683 (or 15679 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 26881880 is about 5184.7738619924. The cubic root of 26881880 is about 299.5618789966.

The spelling of 26881880 in words is "twenty-six million, eight hundred eighty-one thousand, eight hundred eighty".