42541938 has 12 divisors (see below), whose sum is σ = 92174238. Its totient is φ = 14180640.

The previous prime is 42541913. The next prime is 42541943. The reversal of 42541938 is 83914524.

It can be written as a sum of positive squares in only one way, i.e., 25674489 + 16867449 = 5067^2 + 4107^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1181703 + ... + 1181738.

Almost surely, 2^42541938 is an apocalyptic number.

42541938 is an abundant number, since it is smaller than the sum of its proper divisors (49632300).

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

42541938 is a wasteful number, since it uses less digits than its factorization.

42541938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363449 (or 2363446 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 42541938 is about 6522.4181098731. The cubic root of 42541938 is about 349.0913519097.

The spelling of 42541938 in words is "forty-two million, five hundred forty-one thousand, nine hundred thirty-eight".