42016534 has 32 divisors (see below), whose sum is σ = 76553280. Its totient is φ = 16910208.

The previous prime is 42016529. The next prime is 42016567. The reversal of 42016534 is 43561024.

It is a junction number, because it is equal to n+sod(n) for n = 42016499 and 42016508.

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 15 ways as a sum of consecutive naturals, for example, 13624 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (2392290).

Almost surely, 2^42016534 is an apocalyptic number.

42016534 is a deficient number, since it is larger than the sum of its proper divisors (34536746).

42016534 is a wasteful number, since it uses less digits than its factorization.

42016534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42016534 is about 6482.0161986839. The cubic root of 42016534 is about 347.6482716986.

Adding to 42016534 its reverse (43561024), we get a palindrome (85577558).

It can be divided in two parts, 4 and 2016534, that multiplied together give a triangular number (8066136 = T₄₀₁₆).

The spelling of 42016534 in words is "forty-two million, sixteen thousand, five hundred thirty-four".