40412213 has 8 divisors (see below), whose sum is σ = 43332480. Its totient is φ = 37552320.

The previous prime is 40412209. The next prime is 40412231. The reversal of 40412213 is 31221404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40412213 - 2² = 40412209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40412191 and 40412200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13703 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (5416560).

Almost surely, 2^40412213 is an apocalyptic number.

It is an amenable number.

40412213 is a deficient number, since it is larger than the sum of its proper divisors (2920267).

40412213 is a wasteful number, since it uses less digits than its factorization.

40412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30187.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40412213 is about 6357.0600909540. The cubic root of 40412213 is about 343.1659672741.

Adding to 40412213 its reverse (31221404), we get a palindrome (71633617).

The spelling of 40412213 in words is "forty million, four hundred twelve thousand, two hundred thirteen".