404421534061 has 4 divisors (see below), whose sum is σ = 405548056800. Its totient is φ = 403295011324.

The previous prime is 404421534053. The next prime is 404421534071. The reversal of 404421534061 is 160435124404.

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 404421534061 - 2³ = 404421534053 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 (404421534001) 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, 563260831 + ... + 563261548.

It is an arithmetic number, because the mean of its divisors is an integer number (101387014200).

Almost surely, 2^404421534061 is an apocalyptic number.

It is an amenable number.

404421534061 is a deficient number, since it is larger than the sum of its proper divisors (1126522739).

404421534061 is a wasteful number, since it uses less digits than its factorization.

404421534061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126522738.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 404421534061 its reverse (160435124404), we get a palindrome (564856658465).

The spelling of 404421534061 in words is "four hundred four billion, four hundred twenty-one million, five hundred thirty-four thousand, sixty-one".