42432504 has 32 divisors (see below), whose sum is σ = 106272000. Its totient is φ = 14118752.

The previous prime is 42432503. The next prime is 42432557. The reversal of 42432504 is 40523424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16027 + ... + 18485.

It is an arithmetic number, because the mean of its divisors is an integer number (3321000).

Almost surely, 2^42432504 is an apocalyptic number.

It is an amenable number.

42432504 is an abundant number, since it is smaller than the sum of its proper divisors (63839496).

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

42432504 is a wasteful number, since it uses less digits than its factorization.

42432504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3183 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42432504 is about 6514.0236413449. The cubic root of 42432504 is about 348.7917630900.

Adding to 42432504 its reverse (40523424), we get a palindrome (82955928).

The spelling of 42432504 in words is "forty-two million, four hundred thirty-two thousand, five hundred four".