42666411 has 8 divisors (see below), whose sum is σ = 57441280. Its totient is φ = 28167912.

The previous prime is 42666397. The next prime is 42666433. The reversal of 42666411 is 11466624.

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

It is not a de Polignac number, because 42666411 - 2⁶ = 42666347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42666451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68731 + ... + 69348.

It is an arithmetic number, because the mean of its divisors is an integer number (7180160).

Almost surely, 2^42666411 is an apocalyptic number.

42666411 is a deficient number, since it is larger than the sum of its proper divisors (14774869).

42666411 is a wasteful number, since it uses less digits than its factorization.

42666411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138185.

The product of its digits is 6912, while the sum is 30.

The square root of 42666411 is about 6531.9530769901. The cubic root of 42666411 is about 349.4314879387.

The spelling of 42666411 in words is "forty-two million, six hundred sixty-six thousand, four hundred eleven".