28494939326 has 24 divisors (see below), whose sum is σ = 50319821160. Its totient is φ = 12064979472.

The previous prime is 28494939313. The next prime is 28494939329. The reversal of 28494939326 is 62393949482.

28494939326 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28494939329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1743461 + ... + 1759728.

It is an arithmetic number, because the mean of its divisors is an integer number (2096659215).

Almost surely, 2^28494939326 is an apocalyptic number.

28494939326 is a deficient number, since it is larger than the sum of its proper divisors (21824881834).

28494939326 is a wasteful number, since it uses less digits than its factorization.

28494939326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503288 (or 3503281 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 59.

The spelling of 28494939326 in words is "twenty-eight billion, four hundred ninety-four million, nine hundred thirty-nine thousand, three hundred twenty-six".