28104974016 has 224 divisors, whose sum is σ = 89389793280. Its totient is φ = 7619318784.

The previous prime is 28104973999. The next prime is 28104974033. The reversal of 28104974016 is 61047940182.

It is an interprime number because it is at equal distance from previous prime (28104973999) and next prime (28104974033).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3922245 + ... + 3929403.

Almost surely, 2^28104974016 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 28104974016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44694896640).

28104974016 is an abundant number, since it is smaller than the sum of its proper divisors (61284819264).

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

28104974016 is a wasteful number, since it uses less digits than its factorization.

28104974016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 28104974016 in words is "twenty-eight billion, one hundred four million, nine hundred seventy-four thousand, sixteen".