40132213 has 8 divisors (see below), whose sum is σ = 44523360. Its totient is φ = 35864880.

The previous prime is 40132207. The next prime is 40132247. The reversal of 40132213 is 31223104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40132213 - 2⁵ = 40132181 is a prime.

It is a super-2 number, since 2×40132213² = 3221189040554738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30270 + ... + 31567.

It is an arithmetic number, because the mean of its divisors is an integer number (5565420).

Almost surely, 2^40132213 is an apocalyptic number.

It is an amenable number.

40132213 is a deficient number, since it is larger than the sum of its proper divisors (4391147).

40132213 is a wasteful number, since it uses less digits than its factorization.

40132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61907.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40132213 is about 6334.9990528808. Note that the first 3 decimals coincide. The cubic root of 40132213 is about 342.3715766950.

Adding to 40132213 its reverse (31223104), we get a palindrome (71355317).

It can be divided in two parts, 4013 and 2213, that added together give a palindrome (6226).

The spelling of 40132213 in words is "forty million, one hundred thirty-two thousand, two hundred thirteen".