40516404 has 24 divisors (see below), whose sum is σ = 94845408. Its totient is φ = 13461600.

The previous prime is 40516403. The next prime is 40516481. The reversal of 40516404 is 40461504.

40516404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40516403) 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, 1522 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (3951892).

Almost surely, 2^40516404 is an apocalyptic number.

It is an amenable number.

40516404 is an abundant number, since it is smaller than the sum of its proper divisors (54329004).

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

40516404 is a wasteful number, since it uses less digits than its factorization.

40516404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10975 (or 10973 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40516404 is about 6365.2497201602. The cubic root of 40516404 is about 343.4606316740.

Adding to 40516404 its reverse (40461504), we get a palindrome (80977908).

The spelling of 40516404 in words is "forty million, five hundred sixteen thousand, four hundred four".