442425401311 has 4 divisors (see below), whose sum is σ = 443372779512. Its totient is φ = 441478023112.

The previous prime is 442425401273. The next prime is 442425401321. The reversal of 442425401311 is 113104524244.

It is a happy number.

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-442425401311 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 (442425401321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473688400 + ... + 473689333.

It is an arithmetic number, because the mean of its divisors is an integer number (110843194878).

Almost surely, 2^442425401311 is an apocalyptic number.

442425401311 is a deficient number, since it is larger than the sum of its proper divisors (947378201).

442425401311 is an equidigital number, since it uses as much as digits as its factorization.

442425401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947378200.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 442425401311 its reverse (113104524244), we get a palindrome (555529925555).

The spelling of 442425401311 in words is "four hundred forty-two billion, four hundred twenty-five million, four hundred one thousand, three hundred eleven".