28140306846 has 16 divisors (see below), whose sum is σ = 58727597184. Its totient is φ = 8972271704.

The previous prime is 28140306781. The next prime is 28140306853. The reversal of 28140306846 is 64860304182.

It is a junction number, because it is equal to n+sod(n) for n = 28140306798 and 28140306807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101957496 + ... + 101957771.

It is an arithmetic number, because the mean of its divisors is an integer number (3670474824).

Almost surely, 2^28140306846 is an apocalyptic number.

28140306846 is an abundant number, since it is smaller than the sum of its proper divisors (30587290338).

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

28140306846 is a wasteful number, since it uses less digits than its factorization.

28140306846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203915295.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 28140306846 in words is "twenty-eight billion, one hundred forty million, three hundred six thousand, eight hundred forty-six".