40646594 has 8 divisors (see below), whose sum is σ = 61704720. Its totient is φ = 20078356.

The previous prime is 40646591. The next prime is 40646597. The reversal of 40646594 is 49564604.

It is a happy number.

40646594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40646591) and next prime (40646597).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40646591) 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 3 ways as a sum of consecutive naturals, for example, 122264 + ... + 122595.

It is an arithmetic number, because the mean of its divisors is an integer number (7713090).

Almost surely, 2^40646594 is an apocalyptic number.

40646594 is a deficient number, since it is larger than the sum of its proper divisors (21058126).

40646594 is a wasteful number, since it uses less digits than its factorization.

40646594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244944.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 40646594 is about 6375.4681396741. The cubic root of 40646594 is about 343.8281151841.

The spelling of 40646594 in words is "forty million, six hundred forty-six thousand, five hundred ninety-four".