42043035 has 16 divisors (see below), whose sum is σ = 68834304. Its totient is φ = 21901152.

The previous prime is 42043033. The next prime is 42043039. The reversal of 42043035 is 53034024.

It is a happy number.

It is not a de Polignac number, because 42043035 - 2¹ = 42043033 is a prime.

It is a super-2 number, since 2×42043035² = 3535233584022450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42043033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31947 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (4302144).

Almost surely, 2^42043035 is an apocalyptic number.

42043035 is a deficient number, since it is larger than the sum of its proper divisors (26791269).

42043035 is a wasteful number, since it uses less digits than its factorization.

42043035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65234.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42043035 is about 6484.0600706656. The cubic root of 42043035 is about 347.7213468246.

Adding to 42043035 its reverse (53034024), we get a palindrome (95077059).

The spelling of 42043035 in words is "forty-two million, forty-three thousand, thirty-five".