40446064 has 20 divisors (see below), whose sum is σ = 78838704. Its totient is φ = 20100608.

The previous prime is 40446053. The next prime is 40446083. The reversal of 40446064 is 46064404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4897 + ... + 10240.

Almost surely, 2^40446064 is an apocalyptic number.

It is an amenable number.

40446064 is a deficient number, since it is larger than the sum of its proper divisors (38392640).

40446064 is a wasteful number, since it uses less digits than its factorization.

40446064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312 (or 15306 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 40446064 is about 6359.7220065031. The cubic root of 40446064 is about 343.2617573691.

The spelling of 40446064 in words is "forty million, four hundred forty-six thousand, sixty-four".