40641446 has 4 divisors (see below), whose sum is σ = 60962172. Its totient is φ = 20320722.

The previous prime is 40641443. The next prime is 40641457. The reversal of 40641446 is 64414604.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40641443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160360 + ... + 10160363.

It is an arithmetic number, because the mean of its divisors is an integer number (15240543).

Almost surely, 2^40641446 is an apocalyptic number.

40641446 is a deficient number, since it is larger than the sum of its proper divisors (20320726).

40641446 is a wasteful number, since it uses less digits than its factorization.

40641446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320725.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 40641446 is about 6375.0643918317. The cubic root of 40641446 is about 343.8135989873.

The spelling of 40641446 in words is "forty million, six hundred forty-one thousand, four hundred forty-six".