445684486544 has 60 divisors (see below), whose sum is σ = 949413764880. Its totient is φ = 202527864000.

The previous prime is 445684486537. The next prime is 445684486553.

445684486544 is nontrivially palindromic in base 10.

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 11 ways as a sum of consecutive naturals, for example, 7425647 + ... + 7485425.

It is an arithmetic number, because the mean of its divisors is an integer number (15823562748).

Almost surely, 2^445684486544 is an apocalyptic number.

445684486544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445684486544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474706882440).

445684486544 is an abundant number, since it is smaller than the sum of its proper divisors (503729278336).

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

445684486544 is a wasteful number, since it uses less digits than its factorization.

445684486544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63660 (or 63643 counting only the distinct ones).

The product of its digits is 235929600, while the sum is 62.

The spelling of 445684486544 in words is "four hundred forty-five billion, six hundred eighty-four million, four hundred eighty-six thousand, five hundred forty-four".