444139035 has 16 divisors (see below), whose sum is σ = 712281600. Its totient is φ = 236321120.

The previous prime is 444139021. The next prime is 444139037. The reversal of 444139035 is 530931444.

It is not a de Polignac number, because 444139035 - 2⁷ = 444138907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444138987 and 444139005.

It is not an unprimeable number, because it can be changed into a prime (444139037) 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, 27885 + ... + 40814.

It is an arithmetic number, because the mean of its divisors is an integer number (44517600).

Almost surely, 2^444139035 is an apocalyptic number.

444139035 is a deficient number, since it is larger than the sum of its proper divisors (268142565).

444139035 is a wasteful number, since it uses less digits than its factorization.

444139035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69138.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 444139035 is about 21074.6064020185. The cubic root of 444139035 is about 762.9679850432.

The spelling of 444139035 in words is "four hundred forty-four million, one hundred thirty-nine thousand, thirty-five".