40844017 has 2 divisors, whose sum is σ = 40844018. Its totient is φ = 40844016.

The previous prime is 40843997. The next prime is 40844033. The reversal of 40844017 is 71044804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 6843456 = 5831^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 40844017 - 2⁷ = 40843889 is a prime.

It is not a weakly prime, because it can be changed into another prime (40844057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20422008 + 20422009.

It is an arithmetic number, because the mean of its divisors is an integer number (20422009).

Almost surely, 2^40844017 is an apocalyptic number.

It is an amenable number.

40844017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40844017 is an equidigital number, since it uses as much as digits as its factorization.

40844017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40844017 is about 6390.9324045870. The cubic root of 40844017 is about 344.3838811042.

The spelling of 40844017 in words is "forty million, eight hundred forty-four thousand, seventeen".