42012421024 has 48 divisors (see below), whose sum is σ = 95249601216. Its totient is φ = 17867865600.

The previous prime is 42012421019. The next prime is 42012421037.

42012421024 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 42012420986 and 42012421004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686517 + ... + 745204.

It is an arithmetic number, because the mean of its divisors is an integer number (1984366692).

Almost surely, 2^42012421024 is an apocalyptic number.

It is an amenable number.

42012421024 is an abundant number, since it is smaller than the sum of its proper divisors (53237180192).

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

42012421024 is a wasteful number, since it uses less digits than its factorization.

42012421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431869 (or 1431861 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The spelling of 42012421024 in words is "forty-two billion, twelve million, four hundred twenty-one thousand, twenty-four".