42534011420 has 48 divisors (see below), whose sum is σ = 94095805440. Its totient is φ = 16105594176.

The previous prime is 42534011419. The next prime is 42534011423. The reversal of 42534011420 is 2411043524.

It is a self number, because there is not a number n which added to its sum of digits gives 42534011420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534011423) 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 15 ways as a sum of consecutive naturals, for example, 452189 + ... + 538091.

It is an arithmetic number, because the mean of its divisors is an integer number (1960329280).

Almost surely, 2^42534011420 is an apocalyptic number.

It is an amenable number.

42534011420 is an abundant number, since it is smaller than the sum of its proper divisors (51561794020).

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

42534011420 is a wasteful number, since it uses less digits than its factorization.

42534011420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87234 (or 87232 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 42534011420 its reverse (2411043524), we get a palindrome (44945054944).

The spelling of 42534011420 in words is "forty-two billion, five hundred thirty-four million, eleven thousand, four hundred twenty".