40216353 has 4 divisors (see below), whose sum is σ = 53621808. Its totient is φ = 26810900.

The previous prime is 40216333. The next prime is 40216381. The reversal of 40216353 is 35361204.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 40216353 - 2⁵ = 40216321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40216333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6702723 + ... + 6702728.

It is an arithmetic number, because the mean of its divisors is an integer number (13405452).

Almost surely, 2^40216353 is an apocalyptic number.

It is an amenable number.

40216353 is a deficient number, since it is larger than the sum of its proper divisors (13405455).

40216353 is a wasteful number, since it uses less digits than its factorization.

40216353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13405454.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40216353 is about 6341.6364607253. The cubic root of 40216353 is about 342.6106783514.

Adding to 40216353 its reverse (35361204), we get a palindrome (75577557).

The spelling of 40216353 in words is "forty million, two hundred sixteen thousand, three hundred fifty-three".