26328801984 has 28 divisors (see below), whose sum is σ = 69661622424. Its totient is φ = 8776267264.

The previous prime is 26328801971. The next prime is 26328802007. The reversal of 26328801984 is 48910882362.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68564397 + ... + 68564780.

Almost surely, 2^26328801984 is an apocalyptic number.

26328801984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26328801984 is an abundant number, since it is smaller than the sum of its proper divisors (43332820440).

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

26328801984 is a wasteful number, since it uses less digits than its factorization.

26328801984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137129192 (or 137129182 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 26328801984 in words is "twenty-six billion, three hundred twenty-eight million, eight hundred one thousand, nine hundred eighty-four".