42043143220 has 48 divisors (see below), whose sum is σ = 95101050240. Its totient is φ = 15520542336.

The previous prime is 42043143203. The next prime is 42043143223. The reversal of 42043143220 is 2234134024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043143223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615471 + ... + 1641289.

It is an arithmetic number, because the mean of its divisors is an integer number (1981271880).

Almost surely, 2^42043143220 is an apocalyptic number.

It is an amenable number.

42043143220 is an abundant number, since it is smaller than the sum of its proper divisors (53057907020).

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

42043143220 is a wasteful number, since it uses less digits than its factorization.

42043143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32104 (or 32102 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42043143220 its reverse (2234134024), we get a palindrome (44277277244).

The spelling of 42043143220 in words is "forty-two billion, forty-three million, one hundred forty-three thousand, two hundred twenty".