4019845824 has 84 divisors (see below), whose sum is σ = 11545641120. Its totient is φ = 1337218560.

The previous prime is 4019845807. The next prime is 4019845847. The reversal of 4019845824 is 4285489104.

4019845824 is a `hidden beast` number, since 4 + 0 + 198 + 458 + 2 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4019845824.

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 11 ways as a sum of consecutive naturals, for example, 286329 + ... + 300039.

Almost surely, 2^4019845824 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 4019845824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5772820560).

4019845824 is an abundant number, since it is smaller than the sum of its proper divisors (7525795296).

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

4019845824 is a wasteful number, since it uses less digits than its factorization.

4019845824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238 (or 14225 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 4019845824 is about 63402.2540924217. The cubic root of 4019845824 is about 1590.0219956611.

The spelling of 4019845824 in words is "four billion, nineteen million, eight hundred forty-five thousand, eight hundred twenty-four".