42050038 has 4 divisors (see below), whose sum is σ = 63075060. Its totient is φ = 21025018.

The previous prime is 42049991. The next prime is 42050039. The reversal of 42050038 is 83005024.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512508 + ... + 10512511.

It is an arithmetic number, because the mean of its divisors is an integer number (15768765).

Almost surely, 2^42050038 is an apocalyptic number.

42050038 is a deficient number, since it is larger than the sum of its proper divisors (21025022).

42050038 is a wasteful number, since it uses less digits than its factorization.

42050038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025021.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42050038 is about 6484.6000647688. The cubic root of 42050038 is about 347.7406521024.

The spelling of 42050038 in words is "forty-two million, fifty thousand, thirty-eight".