28427528016 has 240 divisors, whose sum is σ = 85926486464. Its totient is φ = 9090081792.

The previous prime is 28427527967. The next prime is 28427528039. The reversal of 28427528016 is 61082572482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10500135 + ... + 10502841.

Almost surely, 2^28427528016 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 28427528016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42963243232).

28427528016 is an abundant number, since it is smaller than the sum of its proper divisors (57498958448).

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

28427528016 is a wasteful number, since it uses less digits than its factorization.

28427528016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 28427528016 in words is "twenty-eight billion, four hundred twenty-seven million, five hundred twenty-eight thousand, sixteen".