40444244001 has 16 divisors (see below), whose sum is σ = 68477027200. Its totient is φ = 23110996464.

The previous prime is 40444243991. The next prime is 40444244003. The reversal of 40444244001 is 10044244404.

It is not a de Polignac number, because 40444244001 - 2¹⁰ = 40444242977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444244003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106995166 + ... + 106995543.

It is an arithmetic number, because the mean of its divisors is an integer number (4279814200).

Almost surely, 2^40444244001 is an apocalyptic number.

It is an amenable number.

40444244001 is a deficient number, since it is larger than the sum of its proper divisors (28032783199).

40444244001 is a wasteful number, since it uses less digits than its factorization.

40444244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213990725 (or 213990719 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 40444244001 its reverse (10044244404), we get a palindrome (50488488405).

The spelling of 40444244001 in words is "forty billion, four hundred forty-four million, two hundred forty-four thousand, one".