4420019987 has 16 divisors (see below), whose sum is σ = 4566468960. Its totient is φ = 4276224000.

The previous prime is 4420019977. The next prime is 4420019993. The reversal of 4420019987 is 7899100244.

4420019987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4420019987 - 2¹² = 4420015891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420019927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759987 + ... + 2761587.

It is an arithmetic number, because the mean of its divisors is an integer number (285404310).

Almost surely, 2^4420019987 is an apocalyptic number.

4420019987 is a deficient number, since it is larger than the sum of its proper divisors (146448973).

4420019987 is a wasteful number, since it uses less digits than its factorization.

4420019987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4420019987 is about 66483.2308706489. The cubic root of 4420019987 is about 1641.1240542794.

The spelling of 4420019987 in words is "four billion, four hundred twenty million, nineteen thousand, nine hundred eighty-seven".