442440200233434 has 64 divisors (see below), whose sum is σ = 956885770608768. Its totient is φ = 135573981638400.

The previous prime is 442440200233411. The next prime is 442440200233523. The reversal of 442440200233434 is 434332002044244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 442440200233392 and 442440200233401.

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 31 ways as a sum of consecutive naturals, for example, 9100144 + ... + 31107764.

It is an arithmetic number, because the mean of its divisors is an integer number (14951340165762).

Almost surely, 2^{442440200233434} is an apocalyptic number.

442440200233434 is an abundant number, since it is smaller than the sum of its proper divisors (514445570375334).

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

442440200233434 is a wasteful number, since it uses less digits than its factorization.

442440200233434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22008703.

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 442440200233434 its reverse (434332002044244), we get a palindrome (876772202277678).

The spelling of 442440200233434 in words is "four hundred forty-two trillion, four hundred forty billion, two hundred million, two hundred thirty-three thousand, four hundred thirty-four".