40344652 has 24 divisors (see below), whose sum is σ = 73256400. Its totient is φ = 19425600.

The previous prime is 40344643. The next prime is 40344683. The reversal of 40344652 is 25644304.

40344652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40344652² = 3255381890002208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40344652.

It is an unprimeable number.

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, 13599 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (3052350).

Almost surely, 2^40344652 is an apocalyptic number.

It is an amenable number.

40344652 is a deficient number, since it is larger than the sum of its proper divisors (32911748).

40344652 is a wasteful number, since it uses less digits than its factorization.

40344652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 40344652 is about 6351.7440124741. The cubic root of 40344652 is about 342.9746260416.

Adding to 40344652 its reverse (25644304), we get a palindrome (65988956).

The spelling of 40344652 in words is "forty million, three hundred forty-four thousand, six hundred fifty-two".