4126261738 has 16 divisors (see below), whose sum is σ = 6219540360. Its totient is φ = 2053094400.

The previous prime is 4126261729. The next prime is 4126261739. The reversal of 4126261738 is 8371626214.

It can be written as a sum of positive squares in 4 ways, for example, as 2577288289 + 1548973449 = 50767^2 + 39357^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4126261738.

It is not an unprimeable number, because it can be changed into a prime (4126261739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024168 + ... + 1028188.

Almost surely, 2^4126261738 is an apocalyptic number.

4126261738 is a deficient number, since it is larger than the sum of its proper divisors (2093278622).

4126261738 is a wasteful number, since it uses less digits than its factorization.

4126261738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393.

The product of its digits is 96768, while the sum is 40.

The square root of 4126261738 is about 64235.9847593232. The cubic root of 4126261738 is about 1603.9306662257.

The spelling of 4126261738 in words is "four billion, one hundred twenty-six million, two hundred sixty-one thousand, seven hundred thirty-eight".