4640544044 has 6 divisors (see below), whose sum is σ = 8120952084. Its totient is φ = 2320272020.

The previous prime is 4640544023. The next prime is 4640544053. The reversal of 4640544044 is 4404450464.

It is a junction number, because it is equal to n+sod(n) for n = 4640543995 and 4640544013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580068002 + ... + 580068009.

It is an arithmetic number, because the mean of its divisors is an integer number (1353492014).

Almost surely, 2^4640544044 is an apocalyptic number.

It is an amenable number.

4640544044 is a deficient number, since it is larger than the sum of its proper divisors (3480408040).

4640544044 is a wasteful number, since it uses less digits than its factorization.

4640544044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160136015 (or 1160136013 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

The square root of 4640544044 is about 68121.5387671183. The cubic root of 4640544044 is about 1667.9753685018.

The spelling of 4640544044 in words is "four billion, six hundred forty million, five hundred forty-four thousand, forty-four".