44004440444 has 12 divisors (see below), whose sum is σ = 77174097504. Its totient is φ = 21954698304.

The previous prime is 44004440411. The next prime is 44004440461. The reversal of 44004440444 is 44404440044.

It is a self number, because there is not a number n which added to its sum of digits gives 44004440444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11878397 + ... + 11882100.

It is an arithmetic number, because the mean of its divisors is an integer number (6431174792).

Almost surely, 2^44004440444 is an apocalyptic number.

It is an amenable number.

44004440444 is a deficient number, since it is larger than the sum of its proper divisors (33169657060).

44004440444 is a wasteful number, since it uses less digits than its factorization.

44004440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23760964 (or 23760962 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44004440444 its reverse (44404440044), we get a palindrome (88408880488).

The spelling of 44004440444 in words is "forty-four billion, four million, four hundred forty thousand, four hundred forty-four".