445776041354561 has 4 divisors (see below), whose sum is σ = 445812709627092. Its totient is φ = 445739373082032.

The previous prime is 445776041354537. The next prime is 445776041354563. The reversal of 445776041354561 is 165453140677544.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73480212643600 + 372295828710961 = 8572060^2 + 19294969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445776041354561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445776041354494 and 445776041354503.

It is not an unprimeable number, because it can be changed into a prime (445776041354563) 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, 18334118030 + ... + 18334142343.

It is an arithmetic number, because the mean of its divisors is an integer number (111453177406773).

Almost surely, 2^{445776041354561} is an apocalyptic number.

It is an amenable number.

445776041354561 is a deficient number, since it is larger than the sum of its proper divisors (36668272531).

445776041354561 is a wasteful number, since it uses less digits than its factorization.

445776041354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36668272530.

The product of its (nonzero) digits is 169344000, while the sum is 62.

The spelling of 445776041354561 in words is "four hundred forty-five trillion, seven hundred seventy-six billion, forty-one million, three hundred fifty-four thousand, five hundred sixty-one".