4406728139 has 16 divisors (see below), whose sum is σ = 4877337696. Its totient is φ = 3948134400.

The previous prime is 4406728133. The next prime is 4406728153. The reversal of 4406728139 is 9318276044.

It is a cyclic number.

It is not a de Polignac number, because 4406728139 - 2⁸ = 4406727883 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4406728139.

It is not an unprimeable number, because it can be changed into a prime (4406728133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248579 + ... + 265715.

It is an arithmetic number, because the mean of its divisors is an integer number (304833606).

Almost surely, 2^4406728139 is an apocalyptic number.

4406728139 is a deficient number, since it is larger than the sum of its proper divisors (470609557).

4406728139 is a wasteful number, since it uses less digits than its factorization.

4406728139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4406728139 is about 66383.1916903669. The cubic root of 4406728139 is about 1639.4773442335.

The spelling of 4406728139 in words is "four billion, four hundred six million, seven hundred twenty-eight thousand, one hundred thirty-nine".