28140424760 has 64 divisors (see below), whose sum is σ = 72761008320. Its totient is φ = 9594823680.

The previous prime is 28140424733. The next prime is 28140424817. The reversal of 28140424760 is 6742404182.

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 15 ways as a sum of consecutive naturals, for example, 226949 + ... + 328308.

It is an arithmetic number, because the mean of its divisors is an integer number (1136890755).

Almost surely, 2^28140424760 is an apocalyptic number.

28140424760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28140424760 is an abundant number, since it is smaller than the sum of its proper divisors (44620583560).

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

28140424760 is a wasteful number, since it uses less digits than its factorization.

28140424760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555456 (or 555452 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 28140424760 in words is "twenty-eight billion, one hundred forty million, four hundred twenty-four thousand, seven hundred sixty".