44000440440 has 64 divisors (see below), whose sum is σ = 144001445760. Its totient is φ = 10666773120.

The previous prime is 44000440439. The next prime is 44000440453. The reversal of 44000440440 is 4404400044.

It is a Harshad number since it is a multiple of its sum of digits (24).

44000440440 is a modest number, since divided by 440440 gives 44000 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 44000440440.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 16665514 + ... + 16668153.

It is an arithmetic number, because the mean of its divisors is an integer number (2250022590).

Almost surely, 2^44000440440 is an apocalyptic number.

44000440440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44000440440 is an abundant number, since it is smaller than the sum of its proper divisors (100001005320).

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

44000440440 is a wasteful number, since it uses less digits than its factorization.

44000440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333692 (or 33333688 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 44000440440 its reverse (4404400044), we get a palindrome (48404840484).

The spelling of 44000440440 in words is "forty-four billion, four hundred forty thousand, four hundred forty".