442300030440 has 64 divisors (see below), whose sum is σ = 1327047831360. Its totient is φ = 117933542400.

The previous prime is 442300030387. The next prime is 442300030453. The reversal of 442300030440 is 44030003244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 442300030440.

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 15 ways as a sum of consecutive naturals, for example, 901840 + ... + 1303040.

It is an arithmetic number, because the mean of its divisors is an integer number (20735122365).

Almost surely, 2^442300030440 is an apocalyptic number.

442300030440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442300030440 is an abundant number, since it is smaller than the sum of its proper divisors (884747800920).

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

442300030440 is a wasteful number, since it uses less digits than its factorization.

442300030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410402 (or 410398 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 442300030440 its reverse (44030003244), we get a palindrome (486330033684).

The spelling of 442300030440 in words is "four hundred forty-two billion, three hundred million, thirty thousand, four hundred forty".