26803678032 has 160 divisors (see below), whose sum is σ = 79190645760. Its totient is φ = 8676581760.

The previous prime is 26803678009. The next prime is 26803678117. The reversal of 26803678032 is 23087630862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2048503 + ... + 2061545.

It is an arithmetic number, because the mean of its divisors is an integer number (494941536).

Almost surely, 2^26803678032 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 26803678032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39595322880).

26803678032 is an abundant number, since it is smaller than the sum of its proper divisors (52386967728).

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

26803678032 is a wasteful number, since it uses less digits than its factorization.

26803678032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198 (or 13186 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 26803678032 in words is "twenty-six billion, eight hundred three million, six hundred seventy-eight thousand, thirty-two".