26289794960 has 80 divisors (see below), whose sum is σ = 71809778880. Its totient is φ = 8824542720.

The previous prime is 26289794953. The next prime is 26289794981. The reversal of 26289794960 is 6949798262.

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

It is a junction number, because it is equal to n+sod(n) for n = 26289794893 and 26289794902.

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, 1137590 + ... + 1160469.

It is an arithmetic number, because the mean of its divisors is an integer number (897622236).

Almost surely, 2^26289794960 is an apocalyptic number.

26289794960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26289794960 is an abundant number, since it is smaller than the sum of its proper divisors (45519983920).

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

26289794960 is a wasteful number, since it uses less digits than its factorization.

26289794960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298096 (or 2298090 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 26289794960 in words is "twenty-six billion, two hundred eighty-nine million, seven hundred ninety-four thousand, nine hundred sixty".