44020440044 has 24 divisors (see below), whose sum is σ = 88183606560. Its totient is φ = 18835318656.

The previous prime is 44020440019. The next prime is 44020440049. The reversal of 44020440044 is 44004402044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44020439995 and 44020440022.

It is not an unprimeable number, because it can be changed into a prime (44020440049) 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, 1256759 + ... + 1291310.

It is an arithmetic number, because the mean of its divisors is an integer number (3674316940).

Almost surely, 2^44020440044 is an apocalyptic number.

It is an amenable number.

44020440044 is an abundant number, since it is smaller than the sum of its proper divisors (44163166516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44020440044 is a wasteful number, since it uses less digits than its factorization.

44020440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548697 (or 2548695 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 44020440044 its reverse (44004402044), we get a palindrome (88024842088).

The spelling of 44020440044 in words is "forty-four billion, twenty million, four hundred forty thousand, forty-four".