28619020336 has 80 divisors (see below), whose sum is σ = 58448401920. Its totient is φ = 13548902400.

The previous prime is 28619020327. The next prime is 28619020393. The reversal of 28619020336 is 63302091682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19614775 + ... + 19616233.

It is an arithmetic number, because the mean of its divisors is an integer number (730605024).

Almost surely, 2^28619020336 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 28619020336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29224200960).

28619020336 is an abundant number, since it is smaller than the sum of its proper divisors (29829381584).

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

28619020336 is a wasteful number, since it uses less digits than its factorization.

28619020336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 28619020336 in words is "twenty-eight billion, six hundred nineteen million, twenty thousand, three hundred thirty-six".