4461640461644 has 6 divisors (see below), whose sum is σ = 7807870807884. Its totient is φ = 2230820230820.

The previous prime is 4461640461637. The next prime is 4461640461683.

4461640461644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4461640461592 and 4461640461601.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 557705057702 + ... + 557705057709.

It is an arithmetic number, because the mean of its divisors is an integer number (1301311801314).

Almost surely, 2^{4461640461644} is an apocalyptic number.

It is an amenable number.

4461640461644 is a deficient number, since it is larger than the sum of its proper divisors (3346230346240).

4461640461644 is a wasteful number, since it uses less digits than its factorization.

4461640461644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115410115415 (or 1115410115413 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 50.

The spelling of 4461640461644 in words is "four trillion, four hundred sixty-one billion, six hundred forty million, four hundred sixty-one thousand, six hundred forty-four".