26681880 has 32 divisors (see below), whose sum is σ = 80046000. Its totient is φ = 7115136.

The previous prime is 26681861. The next prime is 26681881. The reversal of 26681880 is 8818662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26681881) 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, 111055 + ... + 111294.

Almost surely, 2^26681880 is an apocalyptic number.

26681880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26681880 is an abundant number, since it is smaller than the sum of its proper divisors (53364120).

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

26681880 is a wasteful number, since it uses less digits than its factorization.

26681880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222363 (or 222359 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 26681880 is about 5165.4506095790. The cubic root of 26681880 is about 298.8171198899.

The spelling of 26681880 in words is "twenty-six million, six hundred eighty-one thousand, eight hundred eighty".