26089980 has 48 divisors (see below), whose sum is σ = 83489280. Its totient is φ = 5963328.

The previous prime is 26089967. The next prime is 26089997. The reversal of 26089980 is 8998062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 2.

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, 30640 + ... + 31479.

It is an arithmetic number, because the mean of its divisors is an integer number (1739360).

Almost surely, 2^26089980 is an apocalyptic number.

26089980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26089980 is an abundant number, since it is smaller than the sum of its proper divisors (57399300).

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

26089980 is a wasteful number, since it uses less digits than its factorization.

26089980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62138 (or 62136 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 26089980 is about 5107.8351578727. The cubic root of 26089980 is about 296.5909638651.

The spelling of 26089980 in words is "twenty-six million, eighty-nine thousand, nine hundred eighty".