42940234 has 8 divisors (see below), whose sum is σ = 65780928. Its totient is φ = 21013260.

The previous prime is 42940169. The next prime is 42940237. The reversal of 42940234 is 43204924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42940237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228312 + ... + 228499.

It is an arithmetic number, because the mean of its divisors is an integer number (8222616).

Almost surely, 2^42940234 is an apocalyptic number.

42940234 is a deficient number, since it is larger than the sum of its proper divisors (22840694).

42940234 is a wasteful number, since it uses less digits than its factorization.

42940234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456860.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42940234 is about 6552.8798249319. The cubic root of 42940234 is about 350.1774175336.

The spelling of 42940234 in words is "forty-two million, nine hundred forty thousand, two hundred thirty-four".