40217413 has 4 divisors (see below), whose sum is σ = 40359808. Its totient is φ = 40075020.

The previous prime is 40217377. The next prime is 40217449. The reversal of 40217413 is 31471204.

40217413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40217377) and next prime (40217449).

It is a cyclic number.

It is not a de Polignac number, because 40217413 - 2¹⁷ = 40086341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70773 + ... + 71338.

It is an arithmetic number, because the mean of its divisors is an integer number (10089952).

Almost surely, 2^40217413 is an apocalyptic number.

It is an amenable number.

40217413 is a deficient number, since it is larger than the sum of its proper divisors (142395).

40217413 is a wasteful number, since it uses less digits than its factorization.

40217413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142394.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40217413 is about 6341.7200348171. The cubic root of 40217413 is about 342.6136884381.

Adding to 40217413 its reverse (31471204), we get a palindrome (71688617).

The spelling of 40217413 in words is "forty million, two hundred seventeen thousand, four hundred thirteen".