442603052240 has 40 divisors (see below), whose sum is σ = 1029111052320. Its totient is φ = 177031078016.

The previous prime is 442603052239. The next prime is 442603052263. The reversal of 442603052240 is 42250306244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 442603052197 and 442603052206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333907 + ... + 1632333.

It is an arithmetic number, because the mean of its divisors is an integer number (25727776308).

Almost surely, 2^442603052240 is an apocalyptic number.

442603052240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442603052240 is an abundant number, since it is smaller than the sum of its proper divisors (586508000080).

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

442603052240 is a wasteful number, since it uses less digits than its factorization.

442603052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316979 (or 316973 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 442603052240 its reverse (42250306244), we get a palindrome (484853358484).

The spelling of 442603052240 in words is "four hundred forty-two billion, six hundred three million, fifty-two thousand, two hundred forty".