44000819 has 2 divisors, whose sum is σ = 44000820. Its totient is φ = 44000818.

The previous prime is 44000813. The next prime is 44000821. The reversal of 44000819 is 91800044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44000819 - 2²⁰ = 42952243 is a prime.

It is a super-2 number, since 2×44000819² = 3872144145341522, which contains 22 as substring.

Together with 44000821, it forms a pair of twin primes.

It is a Chen prime.

44000819 is a modest number, since divided by 819 gives 44 as remainder.

It is not a weakly prime, because it can be changed into another prime (44000813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000409 + 22000410.

It is an arithmetic number, because the mean of its divisors is an integer number (22000410).

Almost surely, 2^44000819 is an apocalyptic number.

44000819 is a deficient number, since it is larger than the sum of its proper divisors (1).

44000819 is an equidigital number, since it uses as much as digits as its factorization.

44000819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 44000819 is about 6633.3113148713. The cubic root of 44000819 is about 353.0370239397.

The spelling of 44000819 in words is "forty-four million, eight hundred nineteen", and thus it is an aban number.