42042316 has 6 divisors (see below), whose sum is σ = 73574060. Its totient is φ = 21021156.

The previous prime is 42042313. The next prime is 42042317. The reversal of 42042316 is 61324024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42042311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255286 + ... + 5255293.

Almost surely, 2^42042316 is an apocalyptic number.

It is an amenable number.

42042316 is a deficient number, since it is larger than the sum of its proper divisors (31531744).

42042316 is a wasteful number, since it uses less digits than its factorization.

42042316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510583 (or 10510581 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42042316 is about 6484.0046267719. The cubic root of 42042316 is about 347.7193646249.

The spelling of 42042316 in words is "forty-two million, forty-two thousand, three hundred sixteen".