28140309814 has 16 divisors (see below), whose sum is σ = 44696833776. Its totient is φ = 13241491200.

The previous prime is 28140309751. The next prime is 28140309863. The reversal of 28140309814 is 41890304182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613354 + ... + 657634.

It is an arithmetic number, because the mean of its divisors is an integer number (2793552111).

Almost surely, 2^28140309814 is an apocalyptic number.

28140309814 is a deficient number, since it is larger than the sum of its proper divisors (16556523962).

28140309814 is a wasteful number, since it uses less digits than its factorization.

28140309814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62991.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 28140309814 in words is "twenty-eight billion, one hundred forty million, three hundred nine thousand, eight hundred fourteen".