420044202442 has 8 divisors (see below), whose sum is σ = 650391023232. Its totient is φ = 203247194700.

The previous prime is 420044202433. The next prime is 420044202493. The reversal of 420044202442 is 244202440024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 420044202442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387453184 + ... + 3387453307.

It is an arithmetic number, because the mean of its divisors is an integer number (81298877904).

Almost surely, 2^420044202442 is an apocalyptic number.

420044202442 is a deficient number, since it is larger than the sum of its proper divisors (230346820790).

420044202442 is a wasteful number, since it uses less digits than its factorization.

420044202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774906524.

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

Adding to 420044202442 its reverse (244202440024), we get a palindrome (664246642466).

The spelling of 420044202442 in words is "four hundred twenty billion, forty-four million, two hundred two thousand, four hundred forty-two".