42644606 has 8 divisors (see below), whose sum is σ = 63995664. Its totient is φ = 21312720.

The previous prime is 42644603. The next prime is 42644611. The reversal of 42644606 is 60644624.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42644603) 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, 3986 + ... + 10058.

It is an arithmetic number, because the mean of its divisors is an integer number (7999458).

Almost surely, 2^42644606 is an apocalyptic number.

42644606 is a deficient number, since it is larger than the sum of its proper divisors (21351058).

42644606 is a wasteful number, since it uses less digits than its factorization.

42644606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 42644606 is about 6530.2837610628. The cubic root of 42644606 is about 349.3719512387.

The spelling of 42644606 in words is "forty-two million, six hundred forty-four thousand, six hundred six".