42240884 has 24 divisors (see below), whose sum is σ = 84766080. Its totient is φ = 18042336.

The previous prime is 42240871. The next prime is 42240893. The reversal of 42240884 is 48804224.

It is a super-2 number, since 2×42240884² = 3568584562202912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42240884.

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, 6497 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (3531920).

Almost surely, 2^42240884 is an apocalyptic number.

It is an amenable number.

42240884 is an abundant number, since it is smaller than the sum of its proper divisors (42525196).

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

42240884 is a wasteful number, since it uses less digits than its factorization.

42240884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 42240884 is about 6499.2987314017. The cubic root of 42240884 is about 348.2659371197.

The spelling of 42240884 in words is "forty-two million, two hundred forty thousand, eight hundred eighty-four".