4128084880 has 20 divisors (see below), whose sum is σ = 9597797532. Its totient is φ = 1651233920.

The previous prime is 4128084841. The next prime is 4128084893. The reversal of 4128084880 is 884808214.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1879049104 + 2249035776 = 43348^2 + 47424^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×4128084880² = 34082169552969228800, which contains 22 as substring.

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, 25800451 + ... + 25800610.

Almost surely, 2^4128084880 is an apocalyptic number.

4128084880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4128084880 is an abundant number, since it is smaller than the sum of its proper divisors (5469712652).

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

4128084880 is a wasteful number, since it uses less digits than its factorization.

4128084880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51601074 (or 51601068 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 43.

The square root of 4128084880 is about 64250.1741631881. The cubic root of 4128084880 is about 1604.1668576406.

The spelling of 4128084880 in words is "four billion, one hundred twenty-eight million, eighty-four thousand, eight hundred eighty".