42281966 has 8 divisors (see below), whose sum is σ = 63587160. Its totient is φ = 21086248.

The previous prime is 42281959. The next prime is 42282007. The reversal of 42281966 is 66918224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26396 + ... + 27951.

It is an arithmetic number, because the mean of its divisors is an integer number (7948395).

Almost surely, 2^42281966 is an apocalyptic number.

42281966 is a deficient number, since it is larger than the sum of its proper divisors (21305194).

42281966 is a wasteful number, since it uses less digits than its factorization.

42281966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54738.

The product of its digits is 41472, while the sum is 38.

The square root of 42281966 is about 6502.4584581526. The cubic root of 42281966 is about 348.3788042765.

The spelling of 42281966 in words is "forty-two million, two hundred eighty-one thousand, nine hundred sixty-six".