445249285284 has 12 divisors (see below), whose sum is σ = 1038914999024. Its totient is φ = 148416428424.

The previous prime is 445249285253. The next prime is 445249285289. The reversal of 445249285284 is 482582942544.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (445249285289) 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, 18552053542 + ... + 18552053565.

Almost surely, 2^445249285284 is an apocalyptic number.

It is an amenable number.

445249285284 is an abundant number, since it is smaller than the sum of its proper divisors (593665713740).

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

445249285284 is a wasteful number, since it uses less digits than its factorization.

445249285284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37104107114 (or 37104107112 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 57.

The spelling of 445249285284 in words is "four hundred forty-five billion, two hundred forty-nine million, two hundred eighty-five thousand, two hundred eighty-four".