4086644426 has 16 divisors (see below), whose sum is σ = 6224917608. Its totient is φ = 2011896000.

The previous prime is 4086644423. The next prime is 4086644477. The reversal of 4086644426 is 6244466804.

It can be written as a sum of positive squares in 4 ways, for example, as 2751107401 + 1335537025 = 52451^2 + 36545^2 .

It is not an unprimeable number, because it can be changed into a prime (4086644423) 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, 19325 + ... + 92448.

Almost surely, 2^4086644426 is an apocalyptic number.

4086644426 is a deficient number, since it is larger than the sum of its proper divisors (2138273182).

4086644426 is a wasteful number, since it uses less digits than its factorization.

4086644426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112057.

The product of its (nonzero) digits is 884736, while the sum is 44.

The square root of 4086644426 is about 63926.8677943789. The cubic root of 4086644426 is about 1598.7808976564.

The spelling of 4086644426 in words is "four billion, eighty-six million, six hundred forty-four thousand, four hundred twenty-six".