44000140123019 has 2 divisors, whose sum is σ = 44000140123020. Its totient is φ = 44000140123018.

The previous prime is 44000140122997. The next prime is 44000140123157. The reversal of 44000140123019 is 91032104100044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44000140123019 - 2²⁰ = 44000139074443 is a prime.

It is a super-2 number, since 2×44000140123019² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44000140122982 and 44000140123000.

It is not a weakly prime, because it can be changed into another prime (44000140123519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000070061509 + 22000070061510.

It is an arithmetic number, because the mean of its divisors is an integer number (22000070061510).

Almost surely, 2^{44000140123019} is an apocalyptic number.

44000140123019 is a deficient number, since it is larger than the sum of its proper divisors (1).

44000140123019 is an equidigital number, since it uses as much as digits as its factorization.

44000140123019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 44000140123019 in words is "forty-four trillion, one hundred forty million, one hundred twenty-three thousand, nineteen".