42104504 has 16 divisors (see below), whose sum is σ = 85018920. Its totient is φ = 19432800.

The previous prime is 42104477. The next prime is 42104509. The reversal of 42104504 is 40540124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202322 + ... + 202529.

Almost surely, 2^42104504 is an apocalyptic number.

It is an amenable number.

42104504 is an abundant number, since it is smaller than the sum of its proper divisors (42914416).

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

42104504 is a wasteful number, since it uses less digits than its factorization.

42104504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404870 (or 404866 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42104504 is about 6488.7983479224. The cubic root of 42104504 is about 347.8907262495.

Adding to 42104504 its reverse (40540124), we get a palindrome (82644628).

The spelling of 42104504 in words is "forty-two million, one hundred four thousand, five hundred four".