4128544986 has 16 divisors (see below), whose sum is σ = 8259653568. Its totient is φ = 1375754400.

The previous prime is 4128544967. The next prime is 4128545027. The reversal of 4128544986 is 6894458214.

4128544986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85555 + ... + 124806.

It is an arithmetic number, because the mean of its divisors is an integer number (516228348).

Almost surely, 2^4128544986 is an apocalyptic number.

4128544986 is an abundant number, since it is smaller than the sum of its proper divisors (4131108582).

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

4128544986 is a wasteful number, since it uses less digits than its factorization.

4128544986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213637.

The product of its digits is 2211840, while the sum is 51.

The square root of 4128544986 is about 64253.7546451567. The cubic root of 4128544986 is about 1604.2264542330.

The spelling of 4128544986 in words is "four billion, one hundred twenty-eight million, five hundred forty-four thousand, nine hundred eighty-six".