28435943214 has 256 divisors, whose sum is σ = 79514265600. Its totient is φ = 7344691200.

The previous prime is 28435943167. The next prime is 28435943227. The reversal of 28435943214 is 41234953482.

28435943214 is a `hidden beast` number, since 2 + 8 + 43 + 594 + 3 + 2 + 14 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28435943214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 61682944 + ... + 61683404.

It is an arithmetic number, because the mean of its divisors is an integer number (310602600).

Almost surely, 2^28435943214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28435943214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39757132800).

28435943214 is an abundant number, since it is smaller than the sum of its proper divisors (51078322386).

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

28435943214 is a wasteful number, since it uses less digits than its factorization.

28435943214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 850 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 28435943214 in words is "twenty-eight billion, four hundred thirty-five million, nine hundred forty-three thousand, two hundred fourteen".