26384329328 has 40 divisors (see below), whose sum is σ = 61497313920. Its totient is φ = 10712433600.

The previous prime is 26384329277. The next prime is 26384329331. The reversal of 26384329328 is 82392348362.

It is a super-2 number, since 2×26384329328² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6197198 + ... + 6201453.

It is an arithmetic number, because the mean of its divisors is an integer number (1537432848).

Almost surely, 2^26384329328 is an apocalyptic number.

26384329328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26384329328 is an abundant number, since it is smaller than the sum of its proper divisors (35112984592).

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

26384329328 is a wasteful number, since it uses less digits than its factorization.

26384329328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398685 (or 12398679 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 50.

The spelling of 26384329328 in words is "twenty-six billion, three hundred eighty-four million, three hundred twenty-nine thousand, three hundred twenty-eight".