420433443342 has 48 divisors (see below), whose sum is σ = 995517139968. Its totient is φ = 127177745040.

The previous prime is 420433443341. The next prime is 420433443361. The reversal of 420433443342 is 243344334024.

420433443342 is a `hidden beast` number, since 4 + 204 + 3 + 3 + 443 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 420433443297 and 420433443306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420433443341) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1774318 + ... + 1997265.

It is an arithmetic number, because the mean of its divisors is an integer number (20739940416).

Almost surely, 2^420433443342 is an apocalyptic number.

420433443342 is an abundant number, since it is smaller than the sum of its proper divisors (575083696626).

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

420433443342 is a wasteful number, since it uses less digits than its factorization.

420433443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772165 (or 3772162 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 420433443342 its reverse (243344334024), we get a palindrome (663777777366).

The spelling of 420433443342 in words is "four hundred twenty billion, four hundred thirty-three million, four hundred forty-three thousand, three hundred forty-two".