42424408 has 24 divisors (see below), whose sum is σ = 86138100. Its totient is φ = 19579872.

The previous prime is 42424387. The next prime is 42424411. The reversal of 42424408 is 80442424.

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 5 ways as a sum of consecutive naturals, for example, 14338 + ... + 17041.

Almost surely, 2^42424408 is an apocalyptic number.

It is an amenable number.

42424408 is an abundant number, since it is smaller than the sum of its proper divisors (43713692).

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

42424408 is a wasteful number, since it uses less digits than its factorization.

42424408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31411 (or 31394 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 42424408 is about 6513.4021831912. The cubic root of 42424408 is about 348.7695788565.

The spelling of 42424408 in words is "forty-two million, four hundred twenty-four thousand, four hundred eight".