42502312424 has 128 divisors (see below), whose sum is σ = 95380346880. Its totient is φ = 17500665600.

The previous prime is 42502312397. The next prime is 42502312441. The reversal of 42502312424 is 42421320524.

It is a super-2 number, since 2×42502312424² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23836637 + ... + 23838419.

It is an arithmetic number, because the mean of its divisors is an integer number (745158960).

Almost surely, 2^42502312424 is an apocalyptic number.

42502312424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42502312424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47690173440).

42502312424 is an abundant number, since it is smaller than the sum of its proper divisors (52878034456).

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

42502312424 is a wasteful number, since it uses less digits than its factorization.

42502312424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 42502312424 its reverse (42421320524), we get a palindrome (84923632948).

The spelling of 42502312424 in words is "forty-two billion, five hundred two million, three hundred twelve thousand, four hundred twenty-four".