42249624 has 32 divisors (see below), whose sum is σ = 111838320. Its totient is φ = 13254656.

The previous prime is 42249617. The next prime is 42249653. The reversal of 42249624 is 42694224.

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 7 ways as a sum of consecutive naturals, for example, 51369 + ... + 52184.

Almost surely, 2^42249624 is an apocalyptic number.

It is an amenable number.

42249624 is an abundant number, since it is smaller than the sum of its proper divisors (69588696).

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

42249624 is a wasteful number, since it uses less digits than its factorization.

42249624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103579 (or 103575 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 42249624 is about 6499.9710768587. The cubic root of 42249624 is about 348.2899551965.

The spelling of 42249624 in words is "forty-two million, two hundred forty-nine thousand, six hundred twenty-four".