44400384019 has 2 divisors, whose sum is σ = 44400384020. Its totient is φ = 44400384018.

The previous prime is 44400384013. The next prime is 44400384029. The reversal of 44400384019 is 91048300444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44400384019 - 2⁷ = 44400383891 is a prime.

It is a super-2 number, since 2×44400384019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44400384013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22200192009 + 22200192010.

It is an arithmetic number, because the mean of its divisors is an integer number (22200192010).

Almost surely, 2^44400384019 is an apocalyptic number.

44400384019 is a deficient number, since it is larger than the sum of its proper divisors (1).

44400384019 is an equidigital number, since it uses as much as digits as its factorization.

44400384019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 44400384019 in words is "forty-four billion, four hundred million, three hundred eighty-four thousand, nineteen".