28026679296 has 416 divisors, whose sum is σ = 98134732800. Its totient is φ = 6892093440.

The previous prime is 28026679283. The next prime is 28026679319. The reversal of 28026679296 is 69297662082.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17976565 + ... + 17978123.

It is an arithmetic number, because the mean of its divisors is an integer number (235900800).

Almost surely, 2^28026679296 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 28026679296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49067366400).

28026679296 is an abundant number, since it is smaller than the sum of its proper divisors (70108053504).

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

28026679296 is a wasteful number, since it uses less digits than its factorization.

28026679296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 28026679296 in words is "twenty-eight billion, twenty-six million, six hundred seventy-nine thousand, two hundred ninety-six".