4404131204445 has 64 divisors (see below), whose sum is σ = 8948503872000. Its totient is φ = 2013220873728.

The previous prime is 4404131204411. The next prime is 4404131204471. The reversal of 4404131204445 is 5444021314044.

4404131204445 is a `hidden beast` number, since 4 + 4 + 0 + 4 + 1 + 3 + 1 + 204 + 445 = 666.

It is not a de Polignac number, because 4404131204445 - 2⁸ = 4404131204189 is a prime.

It is a super-3 number, since 3×4404131204445³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21983991 + ... + 22183419.

It is an arithmetic number, because the mean of its divisors is an integer number (139820373000).

Almost surely, 2^{4404131204445} is an apocalyptic number.

4404131204445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4404131204445 is an abundant number, since it is smaller than the sum of its proper divisors (4544372667555).

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

4404131204445 is a wasteful number, since it uses less digits than its factorization.

4404131204445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222819 (or 222813 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 4404131204445 its reverse (5444021314044), we get a palindrome (9848152518489).

The spelling of 4404131204445 in words is "four trillion, four hundred four billion, one hundred thirty-one million, two hundred four thousand, four hundred forty-five".