42966090 has 48 divisors (see below), whose sum is σ = 112320000. Its totient is φ = 11395296.

The previous prime is 42966067. The next prime is 42966097. The reversal of 42966090 is 9066924.

42966090 is a `hidden beast` number, since 42 + 9 + 6 + 609 + 0 = 666.

42966090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42966097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16711 + ... + 19109.

It is an arithmetic number, because the mean of its divisors is an integer number (2340000).

Almost surely, 2^42966090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42966090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56160000).

42966090 is an abundant number, since it is smaller than the sum of its proper divisors (69353910).

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

42966090 is a wasteful number, since it uses less digits than its factorization.

42966090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 42966090 is about 6554.8524010843. The cubic root of 42966090 is about 350.2476886195.

The spelling of 42966090 in words is "forty-two million, nine hundred sixty-six thousand, ninety".