28594036800 has 840 divisors, whose sum is σ = 123080572736. Its totient is φ = 6375075840.

The previous prime is 28594036799. The next prime is 28594036841. The reversal of 28594036800 is 863049582.

28594036800 is a `hidden beast` number, since 28 + 594 + 0 + 36 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 39009234 + ... + 39009966.

Almost surely, 2^28594036800 is an apocalyptic number.

28594036800 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 28594036800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61540286368).

28594036800 is an abundant number, since it is smaller than the sum of its proper divisors (94486535936).

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

28594036800 is a wasteful number, since it uses less digits than its factorization.

28594036800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 28594036800 in words is "twenty-eight billion, five hundred ninety-four million, thirty-six thousand, eight hundred".