28082998944 has 768 divisors, whose sum is σ = 115831296000. Its totient is φ = 6375075840.

The previous prime is 28082998943. The next prime is 28082998981. The reversal of 28082998944 is 44989928082.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (28082998943) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16431562 + ... + 16433270.

It is an arithmetic number, because the mean of its divisors is an integer number (150822000).

Almost surely, 2^28082998944 is an apocalyptic number.

28082998944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28082998944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57915648000).

28082998944 is an abundant number, since it is smaller than the sum of its proper divisors (87748297056).

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

28082998944 is a wasteful number, since it uses less digits than its factorization.

28082998944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 28082998944 in words is "twenty-eight billion, eighty-two million, nine hundred ninety-eight thousand, nine hundred forty-four".