44400000001 has 12 divisors (see below), whose sum is σ = 51652428948. Its totient is φ = 38054601312.

The previous prime is 44399999999. The next prime is 44400000011. The reversal of 44400000001 is 10000000444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19055041600 + 25344958401 = 138040^2 + 159201^2 .

It is not a de Polignac number, because 44400000001 - 2¹ = 44399999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44400000011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315995 + ... + 1349311.

It is an arithmetic number, because the mean of its divisors is an integer number (4304369079).

Almost surely, 2^44400000001 is an apocalyptic number.

It is an amenable number.

44400000001 is a deficient number, since it is larger than the sum of its proper divisors (7252428947).

44400000001 is a wasteful number, since it uses less digits than its factorization.

44400000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60528 (or 60521 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 44400000001 its reverse (10000000444), we get a palindrome (54400000445).

The spelling of 44400000001 in words is "forty-four billion, four hundred million, one", and thus it is an aban number.