40216101 has 16 divisors (see below), whose sum is σ = 56916288. Its totient is φ = 25171200.

The previous prime is 40216097. The next prime is 40216123. The reversal of 40216101 is 10161204.

It is not a de Polignac number, because 40216101 - 2² = 40216097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28431 + ... + 29811.

It is an arithmetic number, because the mean of its divisors is an integer number (3557268).

Almost surely, 2^40216101 is an apocalyptic number.

It is an amenable number.

40216101 is a deficient number, since it is larger than the sum of its proper divisors (16700187).

40216101 is a wasteful number, since it uses less digits than its factorization.

40216101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 40216101 is about 6341.6165920055. The cubic root of 40216101 is about 342.6099627381.

Adding to 40216101 its reverse (10161204), we get a palindrome (50377305).

The spelling of 40216101 in words is "forty million, two hundred sixteen thousand, one hundred one".