64242432 has 54 divisors (see below), whose sum is σ = 185233412. Its totient is φ = 21413376.

The previous prime is 64242419. The next prime is 64242443. The reversal of 64242432 is 23424246.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64242396 and 64242405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11638 + ... + 16245.

Almost surely, 2^64242432 is an apocalyptic number.

It is an amenable number.

64242432 is an abundant number, since it is smaller than the sum of its proper divisors (120990980).

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

64242432 is a wasteful number, since it uses less digits than its factorization.

64242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27905 (or 27888 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 64242432 is about 8015.1376781687. The cubic root of 64242432 is about 400.5044302745.

Adding to 64242432 its reverse (23424246), we get a palindrome (87666678).

The spelling of 64242432 in words is "sixty-four million, two hundred forty-two thousand, four hundred thirty-two".