42240011 has 12 divisors (see below), whose sum is σ = 47931072. Its totient is φ = 37158000.

The previous prime is 42239971. The next prime is 42240013. The reversal of 42240011 is 11004224.

It is not a de Polignac number, because 42240011 - 2⁶ = 42239947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42240013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1880 + ... + 9381.

It is an arithmetic number, because the mean of its divisors is an integer number (3994256).

Almost surely, 2^42240011 is an apocalyptic number.

42240011 is a deficient number, since it is larger than the sum of its proper divisors (5691061).

42240011 is a wasteful number, since it uses less digits than its factorization.

42240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314 (or 11303 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42240011 is about 6499.2315699627. The cubic root of 42240011 is about 348.2635378781.

Adding to 42240011 its reverse (11004224), we get a palindrome (53244235).

The spelling of 42240011 in words is "forty-two million, two hundred forty thousand, eleven".