40036417 has 2 divisors, whose sum is σ = 40036418. Its totient is φ = 40036416.

The previous prime is 40036391. The next prime is 40036421. The reversal of 40036417 is 71463004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 19324816 = 4551^2 + 4396^2 .

It is a cyclic number.

It is not a de Polignac number, because 40036417 - 2⁷ = 40036289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40036391 and 40036400.

It is not a weakly prime, because it can be changed into another prime (40036457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018208 + 20018209.

It is an arithmetic number, because the mean of its divisors is an integer number (20018209).

Almost surely, 2^40036417 is an apocalyptic number.

It is an amenable number.

40036417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036417 is an equidigital number, since it uses as much as digits as its factorization.

40036417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40036417 is about 6327.4336819915. The cubic root of 40036417 is about 342.0989448446.

The spelling of 40036417 in words is "forty million, thirty-six thousand, four hundred seventeen".