44000000001 has 24 divisors (see below), whose sum is σ = 63699432576. Its totient is φ = 29267002080.

The previous prime is 43999999999. The next prime is 44000000021. The reversal of 44000000001 is 10000000044.

It is not a de Polignac number, because 44000000001 - 2¹ = 43999999999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 44000000001.

It is not an unprimeable number, because it can be changed into a prime (44000000021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15696066 + ... + 15698868.

It is an arithmetic number, because the mean of its divisors is an integer number (2654143024).

Almost surely, 2^44000000001 is an apocalyptic number.

It is an amenable number.

44000000001 is a deficient number, since it is larger than the sum of its proper divisors (19699432575).

44000000001 is a wasteful number, since it uses less digits than its factorization.

44000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133 (or 6130 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 44000000001 its reverse (10000000044), we get a palindrome (54000000045).

The spelling of 44000000001 in words is "forty-four billion, one", and thus it is an aban number.