26049000880 has 80 divisors (see below), whose sum is σ = 69492052224. Its totient is φ = 8895456000.

The previous prime is 26049000853. The next prime is 26049000889. The reversal of 26049000880 is 8800094062.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (26049000889) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47899 + ... + 233221.

Almost surely, 2^26049000880 is an apocalyptic number.

26049000880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26049000880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34746026112).

26049000880 is an abundant number, since it is smaller than the sum of its proper divisors (43443051344).

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

26049000880 is a wasteful number, since it uses less digits than its factorization.

26049000880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185594 (or 185588 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 26049000880 in words is "twenty-six billion, forty-nine million, eight hundred eighty", and thus it is an aban number.