4050138842 has 32 divisors (see below), whose sum is σ = 6346207440. Its totient is φ = 1937295360.

The previous prime is 4050138823. The next prime is 4050138847. The reversal of 4050138842 is 2488310504.

It can be written as a sum of positive squares in 8 ways, for example, as 2681064841 + 1369074001 = 51779^2 + 37001^2 .

It is not an unprimeable number, because it can be changed into a prime (4050138847) 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 15 ways as a sum of consecutive naturals, for example, 685742 + ... + 691622.

Almost surely, 2^4050138842 is an apocalyptic number.

4050138842 is a deficient number, since it is larger than the sum of its proper divisors (2296068598).

4050138842 is a wasteful number, since it uses less digits than its factorization.

4050138842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 4050138842 is about 63640.7011432149. The cubic root of 4050138842 is about 1594.0060685832.

The spelling of 4050138842 in words is "four billion, fifty million, one hundred thirty-eight thousand, eight hundred forty-two".