445007660 has 12 divisors (see below), whose sum is σ = 934516128. Its totient is φ = 178003056.

The previous prime is 445007603. The next prime is 445007741. The reversal of 445007660 is 66700544.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 11125172 + ... + 11125211.

It is an arithmetic number, because the mean of its divisors is an integer number (77876344).

Almost surely, 2^445007660 is an apocalyptic number.

It is an amenable number.

445007660 is an abundant number, since it is smaller than the sum of its proper divisors (489508468).

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

445007660 is a wasteful number, since it uses less digits than its factorization.

445007660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250392 (or 22250390 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 445007660 is about 21095.2046683601. The cubic root of 445007660 is about 763.4650527299.

The spelling of 445007660 in words is "four hundred forty-five million, seven thousand, six hundred sixty".