42016436 has 24 divisors (see below), whose sum is σ = 91672896. Its totient is φ = 16369920.

The previous prime is 42016433. The next prime is 42016441. The reversal of 42016436 is 63461024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42016433) 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 7 ways as a sum of consecutive naturals, for example, 67901 + ... + 68516.

It is an arithmetic number, because the mean of its divisors is an integer number (3819704).

Almost surely, 2^42016436 is an apocalyptic number.

It is an amenable number.

42016436 is an abundant number, since it is smaller than the sum of its proper divisors (49656460).

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

42016436 is a wasteful number, since it uses less digits than its factorization.

42016436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136439 (or 136437 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42016436 is about 6482.0086393031. The cubic root of 42016436 is about 347.6480014117.

The spelling of 42016436 in words is "forty-two million, sixteen thousand, four hundred thirty-six".