4021856382 has 8 divisors (see below), whose sum is σ = 8043712776. Its totient is φ = 1340618792.

The previous prime is 4021856359. The next prime is 4021856417. The reversal of 4021856382 is 2836581204.

It is a sphenic number, since it is the product of 3 distinct primes.

4021856382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021856382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335154693 + ... + 335154704.

It is an arithmetic number, because the mean of its divisors is an integer number (1005464097).

Almost surely, 2^4021856382 is an apocalyptic number.

4021856382 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.

4021856382 is a wasteful number, since it uses less digits than its factorization.

4021856382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670309402.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 4021856382 is about 63418.1076822701. The cubic root of 4021856382 is about 1590.2870388790.

The spelling of 4021856382 in words is "four billion, twenty-one million, eight hundred fifty-six thousand, three hundred eighty-two".