4240805708644 has 18 divisors (see below), whose sum is σ = 7883643140450. Its totient is φ = 1995673274112.

The previous prime is 4240805708617. The next prime is 4240805708663. The reversal of 4240805708644 is 4468075080424.

It can be written as a sum of positive squares in 3 ways, for example, as 1986267422500 + 2254538286144 = 1409350^2 + 1501512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4240805708591 and 4240805708600.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1834257369 + ... + 1834259680.

Almost surely, 2^{4240805708644} is an apocalyptic number.

It is an amenable number.

4240805708644 is a deficient number, since it is larger than the sum of its proper divisors (3642837431806).

4240805708644 is a wasteful number, since it uses less digits than its factorization.

4240805708644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668517087 (or 3668517068 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 52.

The spelling of 4240805708644 in words is "four trillion, two hundred forty billion, eight hundred five million, seven hundred eight thousand, six hundred forty-four".