42421038 has 32 divisors (see below), whose sum is σ = 92845440. Its totient is φ = 12814560.

The previous prime is 42421037. The next prime is 42421063. The reversal of 42421038 is 83012424.

42421038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42420999 and 42421017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42421033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25393 + ... + 27011.

It is an arithmetic number, because the mean of its divisors is an integer number (2901420).

Almost surely, 2^42421038 is an apocalyptic number.

42421038 is an abundant number, since it is smaller than the sum of its proper divisors (50424402).

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

42421038 is a wasteful number, since it uses less digits than its factorization.

42421038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42421038 is about 6513.1434806858. The cubic root of 42421038 is about 348.7603437278.

The spelling of 42421038 in words is "forty-two million, four hundred twenty-one thousand, thirty-eight".