404044442604 has 36 divisors (see below), whose sum is σ = 1114183161000. Its totient is φ = 122437709760.

The previous prime is 404044442603. The next prime is 404044442611. The reversal of 404044442604 is 406244440404.

404044442604 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 4 + 4 + 4 + 42 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (404044442603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510156729 + ... + 510157520.

It is an arithmetic number, because the mean of its divisors is an integer number (30949532250).

Almost surely, 2^404044442604 is an apocalyptic number.

404044442604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404044442604 is an abundant number, since it is smaller than the sum of its proper divisors (710138718396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404044442604 is a wasteful number, since it uses less digits than its factorization.

404044442604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020314270 (or 1020314265 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

It can be divided in two parts, 404044 and 442604, that added together give a palindrome (846648).

The spelling of 404044442604 in words is "four hundred four billion, forty-four million, four hundred forty-two thousand, six hundred four".