26893781432 has 32 divisors (see below), whose sum is σ = 57962671200. Its totient is φ = 11459278464.

The previous prime is 26893781419. The next prime is 26893781459. The reversal of 26893781432 is 23418739862.

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, 1378307 + ... + 1397682.

It is an arithmetic number, because the mean of its divisors is an integer number (1811333475).

Almost surely, 2^26893781432 is an apocalyptic number.

It is an amenable number.

26893781432 is an abundant number, since it is smaller than the sum of its proper divisors (31068889768).

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

26893781432 is a wasteful number, since it uses less digits than its factorization.

26893781432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776175 (or 2776171 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 26893781432 in words is "twenty-six billion, eight hundred ninety-three million, seven hundred eighty-one thousand, four hundred thirty-two".