40216465 has 8 divisors (see below), whose sum is σ = 49078080. Its totient is φ = 31627632.

The previous prime is 40216433. The next prime is 40216469. The reversal of 40216465 is 56461204.

40216465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40216465 - 2⁵ = 40216433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40216469) 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 7 ways as a sum of consecutive naturals, for example, 67869 + ... + 68458.

It is an arithmetic number, because the mean of its divisors is an integer number (6134760).

Almost surely, 2^40216465 is an apocalyptic number.

It is an amenable number.

40216465 is a deficient number, since it is larger than the sum of its proper divisors (8861615).

40216465 is a wasteful number, since it uses less digits than its factorization.

40216465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136391.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40216465 is about 6341.6452912474. The cubic root of 40216465 is about 342.6109964008.

Adding to 40216465 its reverse (56461204), we get a palindrome (96677669).

The spelling of 40216465 in words is "forty million, two hundred sixteen thousand, four hundred sixty-five".