44440013144 has 16 divisors (see below), whose sum is σ = 83335974120. Its totient is φ = 22217086720.

The previous prime is 44440013143. The next prime is 44440013147. The reversal of 44440013144 is 44131004444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440013143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299609 + ... + 422664.

Almost surely, 2^44440013144 is an apocalyptic number.

It is an amenable number.

44440013144 is a deficient number, since it is larger than the sum of its proper divisors (38895960976).

44440013144 is a wasteful number, since it uses less digits than its factorization.

44440013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729970 (or 729966 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 44440013144 its reverse (44131004444), we get a palindrome (88571017588).

The spelling of 44440013144 in words is "forty-four billion, four hundred forty million, thirteen thousand, one hundred forty-four".