444013302331 has 8 divisors (see below), whose sum is σ = 445172888160. Its totient is φ = 442854844032.

The previous prime is 444013302311. The next prime is 444013302391. The reversal of 444013302331 is 133203310444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444013302331 is a prime.

It is a super-2 number, since 2×444013302331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444013302331.

It is not an unprimeable number, because it can be changed into a prime (444013302311) 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, 509626 + ... + 1071328.

It is an arithmetic number, because the mean of its divisors is an integer number (55646611020).

Almost surely, 2^444013302331 is an apocalyptic number.

444013302331 is a deficient number, since it is larger than the sum of its proper divisors (1159585829).

444013302331 is a wasteful number, since it uses less digits than its factorization.

444013302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563765.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 444013302331 its reverse (133203310444), we get a palindrome (577216612775).

The spelling of 444013302331 in words is "four hundred forty-four billion, thirteen million, three hundred two thousand, three hundred thirty-one".