28003586340 has 48 divisors (see below), whose sum is σ = 78677702208. Its totient is φ = 7442131584.

The previous prime is 28003586333. The next prime is 28003586353. The reversal of 28003586340 is 4368530082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778882 + ... + 814041.

It is an arithmetic number, because the mean of its divisors is an integer number (1639118796).

Almost surely, 2^28003586340 is an apocalyptic number.

28003586340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28003586340 is an abundant number, since it is smaller than the sum of its proper divisors (50674115868).

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

28003586340 is a wasteful number, since it uses less digits than its factorization.

28003586340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593228 (or 1593226 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 28003586340 in words is "twenty-eight billion, three million, five hundred eighty-six thousand, three hundred forty".