42504036 has 24 divisors (see below), whose sum is σ = 99328320. Its totient is φ = 14146272.

The previous prime is 42504019. The next prime is 42504037. The reversal of 42504036 is 63040524.

It is a junction number, because it is equal to n+sod(n) for n = 42503997 and 42504015.

It is not an unprimeable number, because it can be changed into a prime (42504037) by changing a digit.

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, 6745 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (4138680).

Almost surely, 2^42504036 is an apocalyptic number.

It is an amenable number.

42504036 is an abundant number, since it is smaller than the sum of its proper divisors (56824284).

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

42504036 is a wasteful number, since it uses less digits than its factorization.

42504036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5441 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42504036 is about 6519.5119449235. The cubic root of 42504036 is about 348.9876488159.

The spelling of 42504036 in words is "forty-two million, five hundred four thousand, thirty-six".