44444440202331 has 32 divisors (see below), whose sum is σ = 63972724372480. Its totient is φ = 27284039481600.

The previous prime is 44444440202257. The next prime is 44444440202347. The reversal of 44444440202331 is 13320204444444.

It is a happy number.

It is not a de Polignac number, because 44444440202331 - 2¹³ = 44444440194139 is a prime.

It is a super-2 number, since 2×44444440202331² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 44444440202331.

It is not an unprimeable number, because it can be changed into a prime (44444440202431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28969791 + ... + 30465351.

It is an arithmetic number, because the mean of its divisors is an integer number (1999147636640).

Almost surely, 2^{44444440202331} is an apocalyptic number.

44444440202331 is a deficient number, since it is larger than the sum of its proper divisors (19528284170149).

44444440202331 is a wasteful number, since it uses less digits than its factorization.

44444440202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497427.

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 44444440202331 its reverse (13320204444444), we get a palindrome (57764644646775).

The spelling of 44444440202331 in words is "forty-four trillion, four hundred forty-four billion, four hundred forty million, two hundred two thousand, three hundred thirty-one".