40116512 has 48 divisors (see below), whose sum is σ = 82555200. Its totient is φ = 19165440.

The previous prime is 40116509. The next prime is 40116529. The reversal of 40116512 is 21561104.

It is a super-2 number, since 2×40116512² = 3218669070092288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128837 + ... + 129147.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^40116512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40116512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41277600).

40116512 is an abundant number, since it is smaller than the sum of its proper divisors (42438688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40116512 is a wasteful number, since it uses less digits than its factorization.

40116512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 40116512 is about 6333.7597049462. The cubic root of 40116512 is about 342.3269219824.

Adding to 40116512 its reverse (21561104), we get a palindrome (61677616).

The spelling of 40116512 in words is "forty million, one hundred sixteen thousand, five hundred twelve".