442201434666311 has 16 divisors (see below), whose sum is σ = 454423026548736. Its totient is φ = 430098294508416.

The previous prime is 442201434666287. The next prime is 442201434666331. The reversal of 442201434666311 is 113666434102244.

It is a cyclic number.

It is not a de Polignac number, because 442201434666311 - 2²² = 442201430472007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442201434666331) 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, 26041370 + ... + 39529176.

It is an arithmetic number, because the mean of its divisors is an integer number (28401439159296).

Almost surely, 2^{442201434666311} is an apocalyptic number.

442201434666311 is a deficient number, since it is larger than the sum of its proper divisors (12221591882425).

442201434666311 is a wasteful number, since it uses less digits than its factorization.

442201434666311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492198.

The product of its (nonzero) digits is 1990656, while the sum is 47.

Adding to 442201434666311 its reverse (113666434102244), we get a palindrome (555867868768555).

The spelling of 442201434666311 in words is "four hundred forty-two trillion, two hundred one billion, four hundred thirty-four million, six hundred sixty-six thousand, three hundred eleven".