44440040044 has 18 divisors (see below), whose sum is σ = 82078663884. Its totient is φ = 21050544600.

The previous prime is 44440040011. The next prime is 44440040053. The reversal of 44440040044 is 44004004444.

It is a super-2 number, since 2×44440040044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44440039994 and 44440040021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15386382 + ... + 15389269.

Almost surely, 2^44440040044 is an apocalyptic number.

It is an amenable number.

44440040044 is a deficient number, since it is larger than the sum of its proper divisors (37638623840).

44440040044 is a wasteful number, since it uses less digits than its factorization.

44440040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30775693 (or 30775672 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44440040044 its reverse (44004004444), we get a palindrome (88444044488).

The spelling of 44440040044 in words is "forty-four billion, four hundred forty million, forty thousand, forty-four".