442240444124 has 24 divisors (see below), whose sum is σ = 824352409440. Its totient is φ = 206866958336.

The previous prime is 442240444111. The next prime is 442240444127. The reversal of 442240444124 is 421444042244.

It is a super-2 number, since 2×442240444124² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442240444127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19460309 + ... + 19483020.

It is an arithmetic number, because the mean of its divisors is an integer number (34348017060).

Almost surely, 2^442240444124 is an apocalyptic number.

It is an amenable number.

442240444124 is a deficient number, since it is larger than the sum of its proper divisors (382111965316).

442240444124 is a wasteful number, since it uses less digits than its factorization.

442240444124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38943517 (or 38943515 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 442240444124 its reverse (421444042244), we get a palindrome (863684486368).

The spelling of 442240444124 in words is "four hundred forty-two billion, two hundred forty million, four hundred forty-four thousand, one hundred twenty-four".