44440425001 has 12 divisors (see below), whose sum is σ = 51704132052. Its totient is φ = 38085804288.

The previous prime is 44440424971. The next prime is 44440425013. The reversal of 44440425001 is 10052404444.

It can be written as a sum of positive squares in 2 ways, for example, as 15363354601 + 29077070400 = 123949^2 + 170520^2 .

It is not a de Polignac number, because 44440425001 - 2³⁵ = 10080686633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44440425301) 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, 259021 + ... + 394933.

It is an arithmetic number, because the mean of its divisors is an integer number (4308677671).

Almost surely, 2^44440425001 is an apocalyptic number.

It is an amenable number.

44440425001 is a deficient number, since it is larger than the sum of its proper divisors (7263707051).

44440425001 is a wasteful number, since it uses less digits than its factorization.

44440425001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142600 (or 142593 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 44440425001 its reverse (10052404444), we get a palindrome (54492829445).

The spelling of 44440425001 in words is "forty-four billion, four hundred forty million, four hundred twenty-five thousand, one".