4086789420 has 192 divisors, whose sum is σ = 13812986880. Its totient is φ = 881943552.

The previous prime is 4086789397. The next prime is 4086789437. The reversal of 4086789420 is 249876804.

It is a self number, because there is not a number n which added to its sum of digits gives 4086789420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2975854 + ... + 2977226.

It is an arithmetic number, because the mean of its divisors is an integer number (71942640).

Almost surely, 2^4086789420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4086789420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6906493440).

4086789420 is an abundant number, since it is smaller than the sum of its proper divisors (9726197460).

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

4086789420 is a wasteful number, since it uses less digits than its factorization.

4086789420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 4086789420 is about 63928.0018458265. The cubic root of 4086789420 is about 1598.7998056627.

The spelling of 4086789420 in words is "four billion, eighty-six million, seven hundred eighty-nine thousand, four hundred twenty".