28074459392 has 144 divisors (see below), whose sum is σ = 66102960000. Its totient is φ = 11649761280.

The previous prime is 28074459367. The next prime is 28074459397. The reversal of 28074459392 is 29395447082.

It is not an unprimeable number, because it can be changed into a prime (28074459397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10211234 + ... + 10213982.

Almost surely, 2^28074459392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28074459392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33051480000).

28074459392 is an abundant number, since it is smaller than the sum of its proper divisors (38028500608).

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

28074459392 is a wasteful number, since it uses less digits than its factorization.

28074459392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 28074459392 in words is "twenty-eight billion, seventy-four million, four hundred fifty-nine thousand, three hundred ninety-two".