28732485936 has 240 divisors, whose sum is σ = 96201699840. Its totient is φ = 7303887360.

The previous prime is 28732485923. The next prime is 28732485941. The reversal of 28732485936 is 63958423782.

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, 1204170 + ... + 1227798.

It is an arithmetic number, because the mean of its divisors is an integer number (400840416).

Almost surely, 2^28732485936 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 28732485936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48100849920).

28732485936 is an abundant number, since it is smaller than the sum of its proper divisors (67469213904).

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

28732485936 is a wasteful number, since it uses less digits than its factorization.

28732485936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23712 (or 23699 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 28732485936 in words is "twenty-eight billion, seven hundred thirty-two million, four hundred eighty-five thousand, nine hundred thirty-six".