42424938 has 32 divisors (see below), whose sum is σ = 94720320. Its totient is φ = 14075280.

The previous prime is 42424933. The next prime is 42424939. The reversal of 42424938 is 83942424.

42424938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42424931) 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, 10528 + ... + 13988.

It is an arithmetic number, because the mean of its divisors is an integer number (2960010).

Almost surely, 2^42424938 is an apocalyptic number.

42424938 is an abundant number, since it is smaller than the sum of its proper divisors (52295382).

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

42424938 is a wasteful number, since it uses less digits than its factorization.

42424938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3693 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42424938 is about 6513.4428684068. The cubic root of 42424938 is about 348.7710312210.

It can be divided in two parts, 4242 and 4938, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 42424938 in words is "forty-two million, four hundred twenty-four thousand, nine hundred thirty-eight".