42430122420 has 48 divisors (see below), whose sum is σ = 135776393088. Its totient is φ = 9698313600.

The previous prime is 42430122407. The next prime is 42430122457. The reversal of 42430122420 is 2422103424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50511631 + ... + 50512470.

It is an arithmetic number, because the mean of its divisors is an integer number (2828674856).

Almost surely, 2^42430122420 is an apocalyptic number.

It is an amenable number.

42430122420 is an abundant number, since it is smaller than the sum of its proper divisors (93346270668).

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

42430122420 is a wasteful number, since it uses less digits than its factorization.

42430122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101024120 (or 101024118 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42430122420 its reverse (2422103424), we get a palindrome (44852225844).

The spelling of 42430122420 in words is "forty-two billion, four hundred thirty million, one hundred twenty-two thousand, four hundred twenty".