442530140450240 has 112 divisors (see below), whose sum is σ = 1064618673160224. Its totient is φ = 175199799398400.

The previous prime is 442530140450219. The next prime is 442530140450249. The reversal of 442530140450240 is 42054041035244.

It is a junction number, because it is equal to n+sod(n) for n = 442530140450194 and 442530140450203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442530140450249) 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, 5884019 + ... + 30326258.

It is an arithmetic number, because the mean of its divisors is an integer number (9505523867502).

Almost surely, 2^{442530140450240} is an apocalyptic number.

442530140450240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442530140450240 is an abundant number, since it is smaller than the sum of its proper divisors (622088532709984).

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

442530140450240 is a wasteful number, since it uses less digits than its factorization.

442530140450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36210686 (or 36210676 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 442530140450240 its reverse (42054041035244), we get a palindrome (484584181485484).

The spelling of 442530140450240 in words is "four hundred forty-two trillion, five hundred thirty billion, one hundred forty million, four hundred fifty thousand, two hundred forty".