442509866484 has 48 divisors (see below), whose sum is σ = 1183427040768. Its totient is φ = 126067026528.

The previous prime is 442509866483. The next prime is 442509866537. The reversal of 442509866484 is 484668905244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442509866483) 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, 7561594 + ... + 7619889.

It is an arithmetic number, because the mean of its divisors is an integer number (24654730016).

Almost surely, 2^442509866484 is an apocalyptic number.

It is an amenable number.

442509866484 is an abundant number, since it is smaller than the sum of its proper divisors (740917174284).

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

442509866484 is a wasteful number, since it uses less digits than its factorization.

442509866484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15181844 (or 15181842 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 60.

The spelling of 442509866484 in words is "four hundred forty-two billion, five hundred nine million, eight hundred sixty-six thousand, four hundred eighty-four".