445013903284 has 12 divisors (see below), whose sum is σ = 782851684608. Its totient is φ = 221341993400.

The previous prime is 445013903237. The next prime is 445013903297. The reversal of 445013903284 is 482309310544.

It is a super-2 number, since 2×445013903284² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445013903284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291238702 + ... + 291240229.

It is an arithmetic number, because the mean of its divisors is an integer number (65237640384).

Almost surely, 2^445013903284 is an apocalyptic number.

It is an amenable number.

445013903284 is a deficient number, since it is larger than the sum of its proper divisors (337837781324).

445013903284 is a wasteful number, since it uses less digits than its factorization.

445013903284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582479126 (or 582479124 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 445013903284 in words is "four hundred forty-five billion, thirteen million, nine hundred three thousand, two hundred eighty-four".