445006647844 has 24 divisors (see below), whose sum is σ = 850030011936. Its totient is φ = 202163400000.

The previous prime is 445006647781. The next prime is 445006647851. The reversal of 445006647844 is 448746600544.

It is a junction number, because it is equal to n+sod(n) for n = 445006647791 and 445006647800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728582 + ... + 2887069.

It is an arithmetic number, because the mean of its divisors is an integer number (35417917164).

Almost surely, 2^445006647844 is an apocalyptic number.

445006647844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445006647844 is a deficient number, since it is larger than the sum of its proper divisors (405023364092).

445006647844 is a wasteful number, since it uses less digits than its factorization.

445006647844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617467 (or 5617465 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 445006647844 in words is "four hundred forty-five billion, six million, six hundred forty-seven thousand, eight hundred forty-four".