420142042244 has 24 divisors (see below), whose sum is σ = 753496128000. Its totient is φ = 204861715520.

The previous prime is 420142042219. The next prime is 420142042259. The reversal of 420142042244 is 442240241024.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140504 + ... + 927375.

It is an arithmetic number, because the mean of its divisors is an integer number (31395672000).

Almost surely, 2^420142042244 is an apocalyptic number.

It is an amenable number.

420142042244 is a deficient number, since it is larger than the sum of its proper divisors (333354085756).

420142042244 is a wasteful number, since it uses less digits than its factorization.

420142042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070323 (or 1070321 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 420142042244 its reverse (442240241024), we get a palindrome (862382283268).

The spelling of 420142042244 in words is "four hundred twenty billion, one hundred forty-two million, forty-two thousand, two hundred forty-four".