44400400417 has 2 divisors, whose sum is σ = 44400400418. Its totient is φ = 44400400416.

The previous prime is 44400400397. The next prime is 44400400423. The reversal of 44400400417 is 71400400444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28995618961 + 15404781456 = 170281^2 + 124116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44400400417 is a prime.

It is not a weakly prime, because it can be changed into another prime (44400400427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22200200208 + 22200200209.

It is an arithmetic number, because the mean of its divisors is an integer number (22200200209).

Almost surely, 2^44400400417 is an apocalyptic number.

It is an amenable number.

44400400417 is a deficient number, since it is larger than the sum of its proper divisors (1).

44400400417 is an equidigital number, since it uses as much as digits as its factorization.

44400400417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 44400400417 in words is "forty-four billion, four hundred million, four hundred thousand, four hundred seventeen".