442401432311 has 4 divisors (see below), whose sum is σ = 446696591952. Its totient is φ = 438106272672.

The previous prime is 442401432283. The next prime is 442401432391. The reversal of 442401432311 is 113234104244.

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

It is a cyclic number.

It is not a de Polignac number, because 442401432311 - 2¹⁰ = 442401431287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442401432391) 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, 2147579666 + ... + 2147579871.

It is an arithmetic number, because the mean of its divisors is an integer number (111674147988).

Almost surely, 2^442401432311 is an apocalyptic number.

442401432311 is a deficient number, since it is larger than the sum of its proper divisors (4295159641).

442401432311 is a wasteful number, since it uses less digits than its factorization.

442401432311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295159640.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 442401432311 its reverse (113234104244), we get a palindrome (555635536555).

The spelling of 442401432311 in words is "four hundred forty-two billion, four hundred one million, four hundred thirty-two thousand, three hundred eleven".