442424411 has 16 divisors (see below), whose sum is σ = 526364160. Its totient is φ = 366556320.

The previous prime is 442424387. The next prime is 442424441. The reversal of 442424411 is 114424244.

It is a de Polignac number, because none of the positive numbers 2^k-442424411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442424441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8285 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (32897760).

Almost surely, 2^442424411 is an apocalyptic number.

442424411 is a deficient number, since it is larger than the sum of its proper divisors (83939749).

442424411 is a wasteful number, since it uses less digits than its factorization.

442424411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39266.

The product of its digits is 4096, while the sum is 26.

The square root of 442424411 is about 21033.8872061253. The cubic root of 442424411 is about 761.9848917628.

Adding to 442424411 its reverse (114424244), we get a palindrome (556848655).

It can be divided in two parts, 4424244 and 11, that multiplied together give a palindrome (48666684).

The spelling of 442424411 in words is "four hundred forty-two million, four hundred twenty-four thousand, four hundred eleven".