42249411 has 16 divisors (see below), whose sum is σ = 63215520. Its totient is φ = 27885600.

The previous prime is 42249377. The next prime is 42249419. The reversal of 42249411 is 11494224.

It is a happy number.

42249411 is a `hidden beast` number, since 4 + 2 + 249 + 411 = 666.

It is not a de Polignac number, because 42249411 - 2⁷ = 42249283 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42249419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5020 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (3950970).

Almost surely, 2^42249411 is an apocalyptic number.

42249411 is a deficient number, since it is larger than the sum of its proper divisors (20966109).

42249411 is a wasteful number, since it uses less digits than its factorization.

42249411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15603 (or 15597 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 42249411 is about 6499.9546921498. The cubic root of 42249411 is about 348.2893698983.

The spelling of 42249411 in words is "forty-two million, two hundred forty-nine thousand, four hundred eleven".