404522044205549 has 4 divisors (see below), whose sum is σ = 417571142405760. Its totient is φ = 391472946005340.

The previous prime is 404522044205533. The next prime is 404522044205551. The reversal of 404522044205549 is 945502440225404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404522044205549 - 2⁴ = 404522044205533 is a prime.

It is a super-2 number, since 2×404522044205549² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404522044205497 and 404522044205506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404522044205509) 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, 6524549100059 + ... + 6524549100120.

It is an arithmetic number, because the mean of its divisors is an integer number (104392785601440).

Almost surely, 2^{404522044205549} is an apocalyptic number.

It is an amenable number.

404522044205549 is a deficient number, since it is larger than the sum of its proper divisors (13049098200211).

404522044205549 is a wasteful number, since it uses less digits than its factorization.

404522044205549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049098200210.

The product of its (nonzero) digits is 9216000, while the sum is 50.

The spelling of 404522044205549 in words is "four hundred four trillion, five hundred twenty-two billion, forty-four million, two hundred five thousand, five hundred forty-nine".