40349417 has 2 divisors, whose sum is σ = 40349418. Its totient is φ = 40349416.

The previous prime is 40349401. The next prime is 40349431. The reversal of 40349417 is 71494304.

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., 35808256 + 4541161 = 5984^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 40349417 - 2⁴ = 40349401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40349447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20174708 + 20174709.

It is an arithmetic number, because the mean of its divisors is an integer number (20174709).

Almost surely, 2^40349417 is an apocalyptic number.

It is an amenable number.

40349417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40349417 is an equidigital number, since it uses as much as digits as its factorization.

40349417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40349417 is about 6352.1190952311. The cubic root of 40349417 is about 342.9881281183.

The spelling of 40349417 in words is "forty million, three hundred forty-nine thousand, four hundred seventeen".