442403333320240 has 40 divisors (see below), whose sum is σ = 1029939376589568. Its totient is φ = 176728795415040.

The previous prime is 442403333320159. The next prime is 442403333320297. The reversal of 442403333320240 is 42023333304244.

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

It is a self number, because there is not a number n which added to its sum of digits gives 442403333320240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633343632 + ... + 3633465391.

Almost surely, 2^{442403333320240} is an apocalyptic number.

442403333320240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442403333320240 is an abundant number, since it is smaller than the sum of its proper divisors (587536043269328).

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

442403333320240 is a wasteful number, since it uses less digits than its factorization.

442403333320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266809797 (or 7266809791 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 442403333320240 its reverse (42023333304244), we get a palindrome (484426666624484).

The spelling of 442403333320240 in words is "four hundred forty-two trillion, four hundred three billion, three hundred thirty-three million, three hundred twenty thousand, two hundred forty".