4421128084 has 12 divisors (see below), whose sum is σ = 7742840308. Its totient is φ = 2208888000.

The previous prime is 4421128079. The next prime is 4421128091. The reversal of 4421128084 is 4808211244.

It can be written as a sum of positive squares in 2 ways, for example, as 1973847184 + 2447280900 = 44428^2 + 49470^2 .

It is a super-2 number, since 2×4421128084² = 39092747070267022112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 413067 + ... + 423634.

Almost surely, 2^4421128084 is an apocalyptic number.

It is an amenable number.

4421128084 is a deficient number, since it is larger than the sum of its proper divisors (3321712224).

4421128084 is a wasteful number, since it uses less digits than its factorization.

4421128084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838026 (or 838024 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 4421128084 is about 66491.5640062708. The cubic root of 4421128084 is about 1641.2611858384.

The spelling of 4421128084 in words is "four billion, four hundred twenty-one million, one hundred twenty-eight thousand, eighty-four".