42421123024 has 20 divisors (see below), whose sum is σ = 93932486944. Its totient is φ = 18180481248.

The previous prime is 42421122983. The next prime is 42421123027. The reversal of 42421123024 is 42032112424.

It is a self number, because there is not a number n which added to its sum of digits gives 42421123024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42421123027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189379902 + ... + 189380125.

Almost surely, 2^42421123024 is an apocalyptic number.

It is an amenable number.

42421123024 is an abundant number, since it is smaller than the sum of its proper divisors (51511363920).

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

42421123024 is a wasteful number, since it uses less digits than its factorization.

42421123024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378760042 (or 378760036 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42421123024 its reverse (42032112424), we get a palindrome (84453235448).

The spelling of 42421123024 in words is "forty-two billion, four hundred twenty-one million, one hundred twenty-three thousand, twenty-four".