28744251726 has 48 divisors (see below), whose sum is σ = 62765787600. Its totient is φ = 8764108416.

The previous prime is 28744251703. The next prime is 28744251773. The reversal of 28744251726 is 62715244782.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165991 + ... + 291618.

It is an arithmetic number, because the mean of its divisors is an integer number (1307620575).

Almost surely, 2^28744251726 is an apocalyptic number.

28744251726 is an abundant number, since it is smaller than the sum of its proper divisors (34021535874).

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

28744251726 is a wasteful number, since it uses less digits than its factorization.

28744251726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457681 (or 457662 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The spelling of 28744251726 in words is "twenty-eight billion, seven hundred forty-four million, two hundred fifty-one thousand, seven hundred twenty-six".