4491680044 has 6 divisors (see below), whose sum is σ = 7860440084. Its totient is φ = 2245840020.

The previous prime is 4491680027. The next prime is 4491680057. The reversal of 4491680044 is 4400861944.

It is a super-3 number, since 3×4491680044³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4491679979 and 4491680006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561460002 + ... + 561460009.

Almost surely, 2^4491680044 is an apocalyptic number.

It is an amenable number.

4491680044 is a deficient number, since it is larger than the sum of its proper divisors (3368760040).

4491680044 is a wasteful number, since it uses less digits than its factorization.

4491680044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122920015 (or 1122920013 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 4491680044 is about 67019.9973440763. The cubic root of 4491680044 is about 1649.9455193520.

The spelling of 4491680044 in words is "four billion, four hundred ninety-one million, six hundred eighty thousand, forty-four".