4247440708624 has 15 divisors (see below), whose sum is σ = 8229432345213. Its totient is φ = 2123716232448.

The previous prime is 4247440708613. The next prime is 4247440708627. The reversal of 4247440708624 is 4268070447424.

The square root of 4247440708624 is 2060932.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2940607632400 + 1306833076224 = 1714820^2 + 1143168^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247440708627) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7986112 + ... + 8501344.

Almost surely, 2^{4247440708624} is an apocalyptic number.

4247440708624 is the 2060932-nd square number.

It is an amenable number.

4247440708624 is a deficient number, since it is larger than the sum of its proper divisors (3981991636589).

4247440708624 is an frugal number, since it uses more digits than its factorization.

4247440708624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030474 (or 515235 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 52.

The spelling of 4247440708624 in words is "four trillion, two hundred forty-seven billion, four hundred forty million, seven hundred eight thousand, six hundred twenty-four".