42340143620 has 12 divisors (see below), whose sum is σ = 88914301644. Its totient is φ = 16936057440.

The previous prime is 42340143613. The next prime is 42340143623. The reversal of 42340143620 is 2634104324.

It can be written as a sum of positive squares in 2 ways, for example, as 4312023556 + 38028120064 = 65666^2 + 195008^2 .

It is not an unprimeable number, because it can be changed into a prime (42340143623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1058503571 + ... + 1058503610.

It is an arithmetic number, because the mean of its divisors is an integer number (7409525137).

Almost surely, 2^42340143620 is an apocalyptic number.

It is an amenable number.

42340143620 is an abundant number, since it is smaller than the sum of its proper divisors (46574158024).

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

42340143620 is a wasteful number, since it uses less digits than its factorization.

42340143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117007190 (or 2117007188 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42340143620 its reverse (2634104324), we get a palindrome (44974247944).

The spelling of 42340143620 in words is "forty-two billion, three hundred forty million, one hundred forty-three thousand, six hundred twenty".