42033890 has 32 divisors (see below), whose sum is σ = 80118720. Its totient is φ = 15833664.

The previous prime is 42033863. The next prime is 42033907. The reversal of 42033890 is 9833024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36869 + ... + 37991.

It is an arithmetic number, because the mean of its divisors is an integer number (2503710).

Almost surely, 2^42033890 is an apocalyptic number.

42033890 is a deficient number, since it is larger than the sum of its proper divisors (38084830).

42033890 is a wasteful number, since it uses less digits than its factorization.

42033890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 42033890 is about 6483.3548414382. The cubic root of 42033890 is about 347.6961334347.

The spelling of 42033890 in words is "forty-two million, thirty-three thousand, eight hundred ninety".