42456005 has 8 divisors (see below), whose sum is σ = 50985600. Its totient is φ = 33939216.

The previous prime is 42455989. The next prime is 42456017. The reversal of 42456005 is 50065424.

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

It is a cyclic number.

It is not a de Polignac number, because 42456005 - 2⁴ = 42455989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7136 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (6373200).

Almost surely, 2^42456005 is an apocalyptic number.

It is an amenable number.

42456005 is a deficient number, since it is larger than the sum of its proper divisors (8529595).

42456005 is a wasteful number, since it uses less digits than its factorization.

42456005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42456005 is about 6515.8272690427. The cubic root of 42456005 is about 348.8561433146.

The spelling of 42456005 in words is "forty-two million, four hundred fifty-six thousand, five".