42656006 has 4 divisors (see below), whose sum is σ = 63984012. Its totient is φ = 21328002.

The previous prime is 42655993. The next prime is 42656011. The reversal of 42656006 is 60065624.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42656006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10664000 + ... + 10664003.

It is an arithmetic number, because the mean of its divisors is an integer number (15996003).

Almost surely, 2^42656006 is an apocalyptic number.

42656006 is a deficient number, since it is larger than the sum of its proper divisors (21328006).

42656006 is a wasteful number, since it uses less digits than its factorization.

42656006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328005.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 42656006 is about 6531.1565591402. The cubic root of 42656006 is about 349.4030805011.

The spelling of 42656006 in words is "forty-two million, six hundred fifty-six thousand, six".