4084091442 has 30 divisors (see below), whose sum is σ = 9153213069. Its totient is φ = 1361092680.

The previous prime is 4084091411. The next prime is 4084091447. The reversal of 4084091442 is 2441904804.

It can be written as a sum of positive squares in 2 ways, for example, as 3234310641 + 849780801 = 56871^2 + 29151^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45189.

It is a junction number, because it is equal to n+sod(n) for n = 4084091397 and 4084091406.

It is not an unprimeable number, because it can be changed into a prime (4084091447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 810892 + ... + 815912.

Almost surely, 2^4084091442 is an apocalyptic number.

4084091442 is an abundant number, since it is smaller than the sum of its proper divisors (5069121627).

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

4084091442 is an frugal number, since it uses more digits than its factorization.

4084091442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4084091442 is about 63906.8966700778. The cubic root of 4084091442 is about 1598.4479013659.

The spelling of 4084091442 in words is "four billion, eighty-four million, ninety-one thousand, four hundred forty-two".