42519604 has 18 divisors (see below), whose sum is σ = 76193250. Its totient is φ = 20761776.

The previous prime is 42519599. The next prime is 42519611. The reversal of 42519604 is 40691524.

It can be written as a sum of positive squares in only one way, i.e., 24029604 + 18490000 = 4902^2 + 4300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4522 + ... + 10270.

Almost surely, 2^42519604 is an apocalyptic number.

It is an amenable number.

42519604 is a deficient number, since it is larger than the sum of its proper divisors (33673646).

42519604 is a wasteful number, since it uses less digits than its factorization.

42519604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839 (or 5794 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 42519604 is about 6520.7057900200. The cubic root of 42519604 is about 349.0302516449.

The spelling of 42519604 in words is "forty-two million, five hundred nineteen thousand, six hundred four".