26689414032 has 160 divisors (see below), whose sum is σ = 77755023360. Its totient is φ = 8764283520.

The previous prime is 26689413983. The next prime is 26689414039. The reversal of 26689414032 is 23041498662.

It is not an unprimeable number, because it can be changed into a prime (26689414039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8827273 + ... + 8830295.

It is an arithmetic number, because the mean of its divisors is an integer number (485968896).

Almost surely, 2^26689414032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26689414032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38877511680).

26689414032 is an abundant number, since it is smaller than the sum of its proper divisors (51065609328).

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

26689414032 is a wasteful number, since it uses less digits than its factorization.

26689414032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 26689414032 in words is "twenty-six billion, six hundred eighty-nine million, four hundred fourteen thousand, thirty-two".