442130411 has 4 divisors (see below), whose sum is σ = 443181024. Its totient is φ = 441079800.

The previous prime is 442130393. The next prime is 442130443. The reversal of 442130411 is 114031244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442130411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442130471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524675 + ... + 525516.

It is an arithmetic number, because the mean of its divisors is an integer number (110795256).

Almost surely, 2^442130411 is an apocalyptic number.

442130411 is a deficient number, since it is larger than the sum of its proper divisors (1050613).

442130411 is a wasteful number, since it uses less digits than its factorization.

442130411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050612.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 442130411 is about 21026.8973222394. The cubic root of 442130411 is about 761.8160695538.

Adding to 442130411 its reverse (114031244), we get a palindrome (556161655).

The spelling of 442130411 in words is "four hundred forty-two million, one hundred thirty thousand, four hundred eleven".