443411261645442 has 16 divisors (see below), whose sum is σ = 897507132006240. Its totient is φ = 146022985762592.

The previous prime is 443411261645413. The next prime is 443411261645449. The reversal of 443411261645442 is 244546162114344.

It is a super-2 number, since 2×443411261645442² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (443411261645449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445192029267 + ... + 445192030262.

It is an arithmetic number, because the mean of its divisors is an integer number (56094195750390).

Almost surely, 2^{443411261645442} is an apocalyptic number.

443411261645442 is an abundant number, since it is smaller than the sum of its proper divisors (454095870360798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443411261645442 is a wasteful number, since it uses less digits than its factorization.

443411261645442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890384059617.

The product of its digits is 8847360, while the sum is 51.

The spelling of 443411261645442 in words is "four hundred forty-three trillion, four hundred eleven billion, two hundred sixty-one million, six hundred forty-five thousand, four hundred forty-two".