404446644404 has 48 divisors (see below), whose sum is σ = 775580363712. Its totient is φ = 183017280000.

The previous prime is 404446644403. The next prime is 404446644451.

404446644404 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404446644403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65010014 + ... + 65016234.

It is an arithmetic number, because the mean of its divisors is an integer number (16157924244).

Almost surely, 2^404446644404 is an apocalyptic number.

404446644404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404446644404 is a deficient number, since it is larger than the sum of its proper divisors (371133719308).

404446644404 is a wasteful number, since it uses less digits than its factorization.

404446644404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12608 (or 12606 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 44.

The spelling of 404446644404 in words is "four hundred four billion, four hundred forty-six million, six hundred forty-four thousand, four hundred four".