40344606 has 24 divisors (see below), whose sum is σ = 88219560. Its totient is φ = 13324176.

The previous prime is 40344593. The next prime is 40344637. The reversal of 40344606 is 60644304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40344606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8320 + ... + 12243.

It is an arithmetic number, because the mean of its divisors is an integer number (3675815).

Almost surely, 2^40344606 is an apocalyptic number.

40344606 is an abundant number, since it is smaller than the sum of its proper divisors (47874954).

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

40344606 is a wasteful number, since it uses less digits than its factorization.

40344606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20680 (or 20677 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40344606 is about 6351.7403914203. The cubic root of 40344606 is about 342.9744956911.

The spelling of 40344606 in words is "forty million, three hundred forty-four thousand, six hundred six".