42535644 has 24 divisors (see below), whose sum is σ = 101933328. Its totient is φ = 13795200.

The previous prime is 42535639. The next prime is 42535651. The reversal of 42535644 is 44653524.

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, 47457 + ... + 48344.

It is an arithmetic number, because the mean of its divisors is an integer number (4247222).

Almost surely, 2^42535644 is an apocalyptic number.

It is an amenable number.

42535644 is an abundant number, since it is smaller than the sum of its proper divisors (59397684).

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

42535644 is a wasteful number, since it uses less digits than its factorization.

42535644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95845 (or 95843 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 42535644 is about 6521.9356022580. The cubic root of 42535644 is about 349.0741352568.

The spelling of 42535644 in words is "forty-two million, five hundred thirty-five thousand, six hundred forty-four".