28290599904 has 192 divisors, whose sum is σ = 87023946240. Its totient is φ = 7878850560.

The previous prime is 28290599851. The next prime is 28290599927. The reversal of 28290599904 is 40999509282.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23954194 + ... + 23955374.

It is an arithmetic number, because the mean of its divisors is an integer number (453249720).

Almost surely, 2^28290599904 is an apocalyptic number.

28290599904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28290599904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43511973120).

28290599904 is an abundant number, since it is smaller than the sum of its proper divisors (58733346336).

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

28290599904 is a wasteful number, since it uses less digits than its factorization.

28290599904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 28290599904 in words is "twenty-eight billion, two hundred ninety million, five hundred ninety-nine thousand, nine hundred four".