42043132 has 6 divisors (see below), whose sum is σ = 73575488. Its totient is φ = 21021564.

The previous prime is 42043117. The next prime is 42043139. The reversal of 42043132 is 23134024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255388 + ... + 5255395.

Almost surely, 2^42043132 is an apocalyptic number.

It is an amenable number.

42043132 is a deficient number, since it is larger than the sum of its proper divisors (31532356).

42043132 is a wasteful number, since it uses less digits than its factorization.

42043132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510787 (or 10510785 counting only the distinct ones).

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

The square root of 42043132 is about 6484.0675505426. The cubic root of 42043132 is about 347.7216142407.

Adding to 42043132 its reverse (23134024), we get a palindrome (65177156).

The spelling of 42043132 in words is "forty-two million, forty-three thousand, one hundred thirty-two".