40516384 has 24 divisors (see below), whose sum is σ = 79915248. Its totient is φ = 20220480.

The previous prime is 40516373. The next prime is 40516403. The reversal of 40516384 is 48361504.

It is a happy number.

It is a super-3 number, since 3×40516384³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25699 + ... + 27229.

It is an arithmetic number, because the mean of its divisors is an integer number (3329802).

Almost surely, 2^40516384 is an apocalyptic number.

It is an amenable number.

40516384 is a deficient number, since it is larger than the sum of its proper divisors (39398864).

40516384 is a wasteful number, since it uses less digits than its factorization.

40516384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40516384 is about 6365.2481491298. The cubic root of 40516384 is about 343.4605751602.

Adding to 40516384 its reverse (48361504), we get a palindrome (88877888).

The spelling of 40516384 in words is "forty million, five hundred sixteen thousand, three hundred eighty-four".