445723570064 has 40 divisors (see below), whose sum is σ = 867408946560. Its totient is φ = 221876547200.

The previous prime is 445723570057. The next prime is 445723570069. The reversal of 445723570064 is 460075327544.

It is not an unprimeable number, because it can be changed into a prime (445723570069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19762634 + ... + 19785174.

It is an arithmetic number, because the mean of its divisors is an integer number (21685223664).

Almost surely, 2^445723570064 is an apocalyptic number.

It is an amenable number.

445723570064 is a deficient number, since it is larger than the sum of its proper divisors (421685376496).

445723570064 is a wasteful number, since it uses less digits than its factorization.

445723570064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27959 (or 27953 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 445723570064 in words is "four hundred forty-five billion, seven hundred twenty-three million, five hundred seventy thousand, sixty-four".