42143332420 has 48 divisors (see below), whose sum is σ = 101172032640. Its totient is φ = 14445137664.

The previous prime is 42143332373. The next prime is 42143332453. The reversal of 42143332420 is 2423334124.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 15 ways as a sum of consecutive naturals, for example, 489232 + ... + 568888.

It is an arithmetic number, because the mean of its divisors is an integer number (2107750680).

Almost surely, 2^42143332420 is an apocalyptic number.

It is an amenable number.

42143332420 is an abundant number, since it is smaller than the sum of its proper divisors (59028700220).

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

42143332420 is a wasteful number, since it uses less digits than its factorization.

42143332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83452 (or 83450 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42143332420 its reverse (2423334124), we get a palindrome (44566666544).

The spelling of 42143332420 in words is "forty-two billion, one hundred forty-three million, three hundred thirty-two thousand, four hundred twenty".