26804392980 has 24 divisors (see below), whose sum is σ = 75052300512. Its totient is φ = 7147838112.

The previous prime is 26804392969. The next prime is 26804392981. The reversal of 26804392980 is 8929340862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26804392981) 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, 223369882 + ... + 223370001.

It is an arithmetic number, because the mean of its divisors is an integer number (3127179188).

Almost surely, 2^26804392980 is an apocalyptic number.

26804392980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26804392980 is an abundant number, since it is smaller than the sum of its proper divisors (48247907532).

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

26804392980 is a wasteful number, since it uses less digits than its factorization.

26804392980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446739895 (or 446739893 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 26804392980 in words is "twenty-six billion, eight hundred four million, three hundred ninety-two thousand, nine hundred eighty".