442234315240 has 32 divisors (see below), whose sum is σ = 1007015496480. Its totient is φ = 174762475072.

The previous prime is 442234315219. The next prime is 442234315247. The reversal of 442234315240 is 42513432244.

It is a junction number, because it is equal to n+sod(n) for n = 442234315196 and 442234315205.

It is not an unprimeable number, because it can be changed into a prime (442234315247) 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, 66598234 + ... + 66604873.

It is an arithmetic number, because the mean of its divisors is an integer number (31469234265).

Almost surely, 2^442234315240 is an apocalyptic number.

442234315240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442234315240 is an abundant number, since it is smaller than the sum of its proper divisors (564781181240).

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

442234315240 is a wasteful number, since it uses less digits than its factorization.

442234315240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133203201 (or 133203197 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 442234315240 its reverse (42513432244), we get a palindrome (484747747484).

The spelling of 442234315240 in words is "four hundred forty-two billion, two hundred thirty-four million, three hundred fifteen thousand, two hundred forty".