28972044192 has 288 divisors, whose sum is σ = 95599429632. Its totient is φ = 7614867456.

The previous prime is 28972044187. The next prime is 28972044197. The reversal of 28972044192 is 29144027982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28972044187) and next prime (28972044197).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (28972044197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23420598 + ... + 23421834.

It is an arithmetic number, because the mean of its divisors is an integer number (331942464).

Almost surely, 2^28972044192 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 28972044192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47799714816).

28972044192 is an abundant number, since it is smaller than the sum of its proper divisors (66627385440).

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

28972044192 is a wasteful number, since it uses less digits than its factorization.

28972044192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 28972044192 in words is "twenty-eight billion, nine hundred seventy-two million, forty-four thousand, one hundred ninety-two".