44124441999 has 16 divisors (see below), whose sum is σ = 64189977984. Its totient is φ = 26738348000.

The previous prime is 44124441997. The next prime is 44124442009. The reversal of 44124441999 is 99914442144.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44124441999 - 2¹ = 44124441997 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44124441997) 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, 156157 + ... + 335609.

It is an arithmetic number, because the mean of its divisors is an integer number (4011873624).

Almost surely, 2^44124441999 is an apocalyptic number.

44124441999 is a deficient number, since it is larger than the sum of its proper divisors (20065535985).

44124441999 is a wasteful number, since it uses less digits than its factorization.

44124441999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186918.

The product of its digits is 1492992, while the sum is 51.

The spelling of 44124441999 in words is "forty-four billion, one hundred twenty-four million, four hundred forty-one thousand, nine hundred ninety-nine".