42456066 has 16 divisors (see below), whose sum is σ = 85476288. Its totient is φ = 14058000.

The previous prime is 42456049. The next prime is 42456079. The reversal of 42456066 is 66065424.

It is a Curzon 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, 22525 + ... + 24336.

It is an arithmetic number, because the mean of its divisors is an integer number (5342268).

Almost surely, 2^42456066 is an apocalyptic number.

42456066 is an abundant number, since it is smaller than the sum of its proper divisors (43020222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42456066 is a wasteful number, since it uses less digits than its factorization.

42456066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47017.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 42456066 is about 6515.8319499508. The cubic root of 42456066 is about 348.8563103912.

The spelling of 42456066 in words is "forty-two million, four hundred fifty-six thousand, sixty-six".