42104403 has 12 divisors (see below), whose sum is σ = 66346488. Its totient is φ = 25517760.

The previous prime is 42104389. The next prime is 42104431. The reversal of 42104403 is 30440124.

It is not a de Polignac number, because 42104403 - 2¹⁰ = 42103379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42104473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212550 + ... + 212747.

It is an arithmetic number, because the mean of its divisors is an integer number (5528874).

Almost surely, 2^42104403 is an apocalyptic number.

42104403 is a deficient number, since it is larger than the sum of its proper divisors (24242085).

42104403 is a wasteful number, since it uses less digits than its factorization.

42104403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425314 (or 425311 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42104403 is about 6488.7905652749. The cubic root of 42104403 is about 347.8904480766.

Adding to 42104403 its reverse (30440124), we get a palindrome (72544527).

The spelling of 42104403 in words is "forty-two million, one hundred four thousand, four hundred three".