42324656 has 40 divisors (see below), whose sum is σ = 90382608. Its totient is φ = 19040000.

The previous prime is 42324629. The next prime is 42324673. The reversal of 42324656 is 65642324.

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, 16586 + ... + 18966.

Almost surely, 2^42324656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42324656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45191304).

42324656 is an abundant number, since it is smaller than the sum of its proper divisors (48057952).

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

42324656 is a wasteful number, since it uses less digits than its factorization.

42324656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2495 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 42324656 is about 6505.7402345928. The cubic root of 42324656 is about 348.4960117615.

It can be divided in two parts, 4232 and 4656, that added together give a palindrome (8888).

The spelling of 42324656 in words is "forty-two million, three hundred twenty-four thousand, six hundred fifty-six".