42236864 has 14 divisors (see below), whose sum is σ = 83813904. Its totient is φ = 21118400.

The previous prime is 42236863. The next prime is 42236899. The reversal of 42236864 is 46863224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42236863) 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 as a sum of consecutive naturals, namely, 329912 + ... + 330039.

Almost surely, 2^42236864 is an apocalyptic number.

It is an amenable number.

42236864 is a deficient number, since it is larger than the sum of its proper divisors (41577040).

42236864 is an equidigital number, since it uses as much as digits as its factorization.

42236864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659963 (or 659953 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 42236864 is about 6498.9894599084. The cubic root of 42236864 is about 348.2548887913.

The spelling of 42236864 in words is "forty-two million, two hundred thirty-six thousand, eight hundred sixty-four".