28407204000 has 1152 divisors, whose sum is σ = 128786112000. Its totient is φ = 5772902400.

The previous prime is 28407203999. The next prime is 28407204061. The reversal of 28407204000 is 40270482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 81395826 + ... + 81396174.

It is an arithmetic number, because the mean of its divisors is an integer number (111793500).

Almost surely, 2^28407204000 is an apocalyptic number.

28407204000 is a gapful number since it is divisible by the number (20) 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 28407204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64393056000).

28407204000 is an abundant number, since it is smaller than the sum of its proper divisors (100378908000).

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

28407204000 is a wasteful number, since it uses less digits than its factorization.

28407204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

Adding to 28407204000 its reverse (40270482), we get a palindrome (28447474482).

The spelling of 28407204000 in words is "twenty-eight billion, four hundred seven million, two hundred four thousand".