445046869664 has 96 divisors (see below), whose sum is σ = 936749721600. Its totient is φ = 207513757440.

The previous prime is 445046869639. The next prime is 445046869667. The reversal of 445046869664 is 466968640544.

It is a junction number, because it is equal to n+sod(n) for n = 445046869597 and 445046869606.

It is not an unprimeable number, because it can be changed into a prime (445046869667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71651519 + ... + 71657729.

It is an arithmetic number, because the mean of its divisors is an integer number (9757809600).

Almost surely, 2^445046869664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445046869664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468374860800).

445046869664 is an abundant number, since it is smaller than the sum of its proper divisors (491702851936).

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

445046869664 is a wasteful number, since it uses less digits than its factorization.

445046869664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066 (or 8058 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 445046869664 in words is "four hundred forty-five billion, forty-six million, eight hundred sixty-nine thousand, six hundred sixty-four".