26980980 has 48 divisors (see below), whose sum is σ = 81360384. Its totient is φ = 6641280.

The previous prime is 26980963. The next prime is 26980981. The reversal of 26980980 is 8908962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26980981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16516 + ... + 18075.

It is an arithmetic number, because the mean of its divisors is an integer number (1695008).

Almost surely, 2^26980980 is an apocalyptic number.

26980980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26980980 is an abundant number, since it is smaller than the sum of its proper divisors (54379404).

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

26980980 is a wasteful number, since it uses less digits than its factorization.

26980980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34616 (or 34614 counting only the distinct ones).

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

The square root of 26980980 is about 5194.3218999211. The cubic root of 26980980 is about 299.9295390077.

The spelling of 26980980 in words is "twenty-six million, nine hundred eighty thousand, nine hundred eighty".