42420466 has 8 divisors (see below), whose sum is σ = 69415344. Its totient is φ = 19282020.

The previous prime is 42420451. The next prime is 42420467. The reversal of 42420466 is 66402424.

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 (42420467) 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, 964080 + ... + 964123.

It is an arithmetic number, because the mean of its divisors is an integer number (8676918).

Almost surely, 2^42420466 is an apocalyptic number.

42420466 is a deficient number, since it is larger than the sum of its proper divisors (26994878).

42420466 is a wasteful number, since it uses less digits than its factorization.

42420466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928216.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 42420466 is about 6513.0995693295. The cubic root of 42420466 is about 348.7587761738.

The spelling of 42420466 in words is "forty-two million, four hundred twenty thousand, four hundred sixty-six".