40505446 has 8 divisors (see below), whose sum is σ = 62051040. Its totient is φ = 19821768.

The previous prime is 40505401. The next prime is 40505449. The reversal of 40505446 is 64450504.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215361 + ... + 215548.

It is an arithmetic number, because the mean of its divisors is an integer number (7756380).

Almost surely, 2^40505446 is an apocalyptic number.

40505446 is a deficient number, since it is larger than the sum of its proper divisors (21545594).

40505446 is a wasteful number, since it uses less digits than its factorization.

40505446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430958.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40505446 is about 6364.3888944658. The cubic root of 40505446 is about 343.4296649496.

The spelling of 40505446 in words is "forty million, five hundred five thousand, four hundred forty-six".