42488564 has 24 divisors (see below), whose sum is σ = 76395648. Its totient is φ = 20666880.

The previous prime is 42488561. The next prime is 42488591. The reversal of 42488564 is 46588424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42488561) 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, 35699 + ... + 36869.

It is an arithmetic number, because the mean of its divisors is an integer number (3183152).

Almost surely, 2^42488564 is an apocalyptic number.

It is an amenable number.

42488564 is a deficient number, since it is larger than the sum of its proper divisors (33907084).

42488564 is a wasteful number, since it uses less digits than its factorization.

42488564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1413 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 42488564 is about 6518.3252450304. The cubic root of 42488564 is about 348.9452983891.

It can be divided in two parts, 424 and 88564, that added together give a palindrome (88988).

The spelling of 42488564 in words is "forty-two million, four hundred eighty-eight thousand, five hundred sixty-four".