445744432585684 has 12 divisors (see below), whose sum is σ = 780052908096000. Its totient is φ = 222872173129688.

The previous prime is 445744432585681. The next prime is 445744432585709. The reversal of 445744432585684 is 486585234447544.

It is a happy number.

It is a super-2 number, since 2×445744432585684² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445744432585681) 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, 27700407 + ... + 40728385.

It is an arithmetic number, because the mean of its divisors is an integer number (65004409008000).

Almost surely, 2^{445744432585684} is an apocalyptic number.

It is an amenable number.

445744432585684 is a deficient number, since it is larger than the sum of its proper divisors (334308475510316).

445744432585684 is a wasteful number, since it uses less digits than its factorization.

445744432585684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581582 (or 21581580 counting only the distinct ones).

The product of its digits is 8257536000, while the sum is 73.

The spelling of 445744432585684 in words is "four hundred forty-five trillion, seven hundred forty-four billion, four hundred thirty-two million, five hundred eighty-five thousand, six hundred eighty-four".