42440411 has 8 divisors (see below), whose sum is σ = 46480560. Its totient is φ = 38511072.

The previous prime is 42440401. The next prime is 42440423. The reversal of 42440411 is 11404424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42440411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440401) 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, 26900 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (5810070).

Almost surely, 2^42440411 is an apocalyptic number.

42440411 is a deficient number, since it is larger than the sum of its proper divisors (4040149).

42440411 is a wasteful number, since it uses less digits than its factorization.

42440411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55405.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 42440411 is about 6514.6305344202. The cubic root of 42440411 is about 348.8134267120.

Adding to 42440411 its reverse (11404424), we get a palindrome (53844835).

The spelling of 42440411 in words is "forty-two million, four hundred forty thousand, four hundred eleven".