404464644046 has 4 divisors (see below), whose sum is σ = 606696966072. Its totient is φ = 202232322022.

The previous prime is 404464644019. The next prime is 404464644049. The reversal of 404464644046 is 640446464404.

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

It is a junction number, because it is equal to n+sod(n) for n = 404464643987 and 404464644005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404464644049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101116161010 + ... + 101116161013.

It is an arithmetic number, because the mean of its divisors is an integer number (151674241518).

Almost surely, 2^404464644046 is an apocalyptic number.

404464644046 is a deficient number, since it is larger than the sum of its proper divisors (202232322026).

404464644046 is a wasteful number, since it uses less digits than its factorization.

404464644046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202232322025.

The product of its (nonzero) digits is 3538944, while the sum is 46.

The spelling of 404464644046 in words is "four hundred four billion, four hundred sixty-four million, six hundred forty-four thousand, forty-six".