40412017 has 2 divisors, whose sum is σ = 40412018. Its totient is φ = 40412016.

The previous prime is 40412011. The next prime is 40412027. The reversal of 40412017 is 71021404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 456976 = 6321^2 + 676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40412017 is a prime.

It is a super-2 number, since 2×40412017² = 3266262236016578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40411985 and 40412003.

It is not a weakly prime, because it can be changed into another prime (40412011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206008 + 20206009.

It is an arithmetic number, because the mean of its divisors is an integer number (20206009).

Almost surely, 2^40412017 is an apocalyptic number.

It is an amenable number.

40412017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40412017 is an equidigital number, since it uses as much as digits as its factorization.

40412017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 40412017 is about 6357.0446750043. The cubic root of 40412017 is about 343.1654124860.

It can be divided in two parts, 404 and 12017, that added together give a palindrome (12421).

The spelling of 40412017 in words is "forty million, four hundred twelve thousand, seventeen".