44404040393 has 2 divisors, whose sum is σ = 44404040394. Its totient is φ = 44404040392.

The previous prime is 44404040389. The next prime is 44404040407. The reversal of 44404040393 is 39304040444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44027369929 + 376670464 = 209827^2 + 19408^2 .

It is a cyclic number.

It is not a de Polignac number, because 44404040393 - 2² = 44404040389 is a prime.

It is not a weakly prime, because it can be changed into another prime (44404040323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22202020196 + 22202020197.

It is an arithmetic number, because the mean of its divisors is an integer number (22202020197).

Almost surely, 2^44404040393 is an apocalyptic number.

It is an amenable number.

44404040393 is a deficient number, since it is larger than the sum of its proper divisors (1).

44404040393 is an equidigital number, since it uses as much as digits as its factorization.

44404040393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 44404040393 in words is "forty-four billion, four hundred four million, forty thousand, three hundred ninety-three".