445740336 has 60 divisors (see below), whose sum is σ = 1264572088. Its totient is φ = 146541312.

The previous prime is 445740319. The next prime is 445740377. The reversal of 445740336 is 633047544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 445740336.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10690 + ... + 31713.

Almost surely, 2^445740336 is an apocalyptic number.

It is an amenable number.

445740336 is an abundant number, since it is smaller than the sum of its proper divisors (818831752).

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

445740336 is a wasteful number, since it uses less digits than its factorization.

445740336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42490 (or 42481 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 445740336 is about 21112.5634634925. The cubic root of 445740336 is about 763.8838214101.

The spelling of 445740336 in words is "four hundred forty-five million, seven hundred forty thousand, three hundred thirty-six".