444029013 has 8 divisors (see below), whose sum is σ = 657820800. Its totient is φ = 296019324.

The previous prime is 444028987. The next prime is 444029039. The reversal of 444029013 is 310920444.

It is an interprime number because it is at equal distance from previous prime (444028987) and next prime (444029039).

It is not a de Polignac number, because 444029013 - 2¹⁷ = 443897941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16445519 = 444029013 / (4 + 4 + 4 + 0 + 2 + 9 + 0 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444029083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8222733 + ... + 8222786.

It is an arithmetic number, because the mean of its divisors is an integer number (82227600).

Almost surely, 2^444029013 is an apocalyptic number.

It is an amenable number.

444029013 is a deficient number, since it is larger than the sum of its proper divisors (213791787).

444029013 is a wasteful number, since it uses less digits than its factorization.

444029013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445528 (or 16445522 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 444029013 is about 21071.9959424825. The cubic root of 444029013 is about 762.9049791003.

Adding to 444029013 its reverse (310920444), we get a palindrome (754949457).

The spelling of 444029013 in words is "four hundred forty-four million, twenty-nine thousand, thirteen".