42248436 has 24 divisors (see below), whose sum is σ = 99101184. Its totient is φ = 14008320.

The previous prime is 42248399. The next prime is 42248449. The reversal of 42248436 is 63484224.

It is a junction number, because it is equal to n+sod(n) for n = 42248397 and 42248406.

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, 6925 + ... + 11508.

It is an arithmetic number, because the mean of its divisors is an integer number (4129216).

Almost surely, 2^42248436 is an apocalyptic number.

It is an amenable number.

42248436 is an abundant number, since it is smaller than the sum of its proper divisors (56852748).

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

42248436 is a wasteful number, since it uses less digits than its factorization.

42248436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631 (or 18629 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 42248436 is about 6499.8796911943. The cubic root of 42248436 is about 348.2866906913.

The spelling of 42248436 in words is "forty-two million, two hundred forty-eight thousand, four hundred thirty-six".