28140049364 has 12 divisors (see below), whose sum is σ = 56280098784. Its totient is φ = 12060021144.

The previous prime is 28140049319. The next prime is 28140049369. The reversal of 28140049364 is 46394004182.

28140049364 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140049369) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 502500854 + ... + 502500909.

It is an arithmetic number, because the mean of its divisors is an integer number (4690008232).

Almost surely, 2^28140049364 is an apocalyptic number.

It is an amenable number.

28140049364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28140049364 is a wasteful number, since it uses less digits than its factorization.

28140049364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005001774 (or 1005001772 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 28140049364 in words is "twenty-eight billion, one hundred forty million, forty-nine thousand, three hundred sixty-four".