42041838 has 16 divisors (see below), whose sum is σ = 87739776. Its totient is φ = 13404600.

The previous prime is 42041827. The next prime is 42041843. The reversal of 42041838 is 83814024.

It is a super-2 number, since 2×42041838² = 3535032284836488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 152188 + ... + 152463.

It is an arithmetic number, because the mean of its divisors is an integer number (5483736).

Almost surely, 2^42041838 is an apocalyptic number.

42041838 is an abundant number, since it is smaller than the sum of its proper divisors (45697938).

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

42041838 is a wasteful number, since it uses less digits than its factorization.

42041838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304679.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42041838 is about 6483.9677667305. The cubic root of 42041838 is about 347.7180468218.

The spelling of 42041838 in words is "forty-two million, forty-one thousand, eight hundred thirty-eight".