442440204040 has 64 divisors (see below), whose sum is σ = 1036136059200. Its totient is φ = 169825082112.

The previous prime is 442440204023. The next prime is 442440204043. The reversal of 442440204040 is 40402044244.

It is not an unprimeable number, because it can be changed into a prime (442440204043) 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, 980902 + ... + 1359061.

It is an arithmetic number, because the mean of its divisors is an integer number (16189625925).

Almost surely, 2^442440204040 is an apocalyptic number.

442440204040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442440204040 is an abundant number, since it is smaller than the sum of its proper divisors (593695855160).

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

442440204040 is a wasteful number, since it uses less digits than its factorization.

442440204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340166 (or 2340162 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 442440204040 its reverse (40402044244), we get a palindrome (482842248284).

The spelling of 442440204040 in words is "four hundred forty-two billion, four hundred forty million, two hundred four thousand, forty".