42130432 has 22 divisors (see below), whose sum is σ = 84221768. Its totient is φ = 21064704.

The previous prime is 42130427. The next prime is 42130441. The reversal of 42130432 is 23403124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19548 + ... + 21595.

Almost surely, 2^42130432 is an apocalyptic number.

It is an amenable number.

42130432 is a deficient number, since it is larger than the sum of its proper divisors (42091336).

42130432 is an equidigital number, since it uses as much as digits as its factorization.

42130432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41163 (or 41145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42130432 is about 6490.7959450286. The cubic root of 42130432 is about 347.9621220939.

Adding to 42130432 its reverse (23403124), we get a palindrome (65533556).

The spelling of 42130432 in words is "forty-two million, one hundred thirty thousand, four hundred thirty-two".