442421064318 has 32 divisors (see below), whose sum is σ = 887000544000. Its totient is φ = 147114093056.

The previous prime is 442421064311. The next prime is 442421064343. The reversal of 442421064318 is 813460124244.

It is a super-3 number, since 3×442421064318³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442421064311) 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, 15176905 + ... + 15206027.

It is an arithmetic number, because the mean of its divisors is an integer number (27718767000).

Almost surely, 2^442421064318 is an apocalyptic number.

442421064318 is an abundant number, since it is smaller than the sum of its proper divisors (444579479682).

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

442421064318 is a wasteful number, since it uses less digits than its factorization.

442421064318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35216.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 442421064318 in words is "four hundred forty-two billion, four hundred twenty-one million, sixty-four thousand, three hundred eighteen".