445185267816 has 16 divisors (see below), whose sum is σ = 1112963169600. Its totient is φ = 148395089264.

The previous prime is 445185267803. The next prime is 445185267817. The reversal of 445185267816 is 618762581544.

It is not an unprimeable number, because it can be changed into a prime (445185267817) 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, 9274693056 + ... + 9274693103.

It is an arithmetic number, because the mean of its divisors is an integer number (69560198100).

Almost surely, 2^445185267816 is an apocalyptic number.

It is an amenable number.

445185267816 is an abundant number, since it is smaller than the sum of its proper divisors (667777901784).

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

445185267816 is a wasteful number, since it uses less digits than its factorization.

445185267816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549386168 (or 18549386164 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 445185267816 in words is "four hundred forty-five billion, one hundred eighty-five million, two hundred sixty-seven thousand, eight hundred sixteen".