40111216 has 20 divisors (see below), whose sum is σ = 77856624. Its totient is φ = 20019200.

The previous prime is 40111213. The next prime is 40111231. The reversal of 40111216 is 61211104.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a self number, because there is not a number n which added to its sum of digits gives 40111216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111213) 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, 8301 + ... + 12211.

Almost surely, 2^40111216 is an apocalyptic number.

It is an amenable number.

40111216 is a deficient number, since it is larger than the sum of its proper divisors (37745408).

40111216 is a wasteful number, since it uses less digits than its factorization.

40111216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 40111216 is about 6333.3416140297. The cubic root of 40111216 is about 342.3118571702.

The spelling of 40111216 in words is "forty million, one hundred eleven thousand, two hundred sixteen".