42163504 has 20 divisors (see below), whose sum is σ = 81871000. Its totient is φ = 21035520.

The previous prime is 42163487. The next prime is 42163549. The reversal of 42163504 is 40536124.

It is a super-2 number, since 2×42163504² = 3555522139116032, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5344 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (4093550).

Almost surely, 2^42163504 is an apocalyptic number.

It is an amenable number.

42163504 is a deficient number, since it is larger than the sum of its proper divisors (39707496).

42163504 is a wasteful number, since it uses less digits than its factorization.

42163504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788 (or 5782 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42163504 is about 6493.3430526964. The cubic root of 42163504 is about 348.0531472974.

Adding to 42163504 its reverse (40536124), we get a palindrome (82699628).

The spelling of 42163504 in words is "forty-two million, one hundred sixty-three thousand, five hundred four".