28340200584 has 48 divisors (see below), whose sum is σ = 79401429900. Its totient is φ = 9120983424.

The previous prime is 28340200583. The next prime is 28340200601. The reversal of 28340200584 is 48500204382.

28340200584 is a `hidden beast` number, since 28 + 34 + 0 + 20 + 0 + 584 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26253720900 + 2086479684 = 162030^2 + 45678^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28340200583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6784359 + ... + 6788534.

Almost surely, 2^28340200584 is an apocalyptic number.

28340200584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28340200584 is an abundant number, since it is smaller than the sum of its proper divisors (51061229316).

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

28340200584 is a wasteful number, since it uses less digits than its factorization.

28340200584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13572934 (or 13572927 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 28340200584 in words is "twenty-eight billion, three hundred forty million, two hundred thousand, five hundred eighty-four".