42050194 has 4 divisors (see below), whose sum is σ = 63075294. Its totient is φ = 21025096.

The previous prime is 42050189. The next prime is 42050201. The reversal of 42050194 is 49105024.

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

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 1026169 = 6405^2 + 1013^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512547 + ... + 10512550.

Almost surely, 2^42050194 is an apocalyptic number.

42050194 is a deficient number, since it is larger than the sum of its proper divisors (21025100).

42050194 is a wasteful number, since it uses less digits than its factorization.

42050194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025099.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 42050194 is about 6484.6120932558. The cubic root of 42050194 is about 347.7410821256.

The spelling of 42050194 in words is "forty-two million, fifty thousand, one hundred ninety-four".