4452618240068 has 24 divisors (see below), whose sum is σ = 8250700173912. Its totient is φ = 2095283602944.

The previous prime is 4452618240067. The next prime is 4452618240127. The reversal of 4452618240068 is 8600428162544.

It can be written as a sum of positive squares in 4 ways, for example, as 1308777184324 + 3143841055744 = 1144018^2 + 1773088^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4452618239998 and 4452618240025.

It is not an unprimeable number, because it can be changed into a prime (4452618240067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170146 + ... + 3205382.

It is an arithmetic number, because the mean of its divisors is an integer number (343779173913).

Almost surely, 2^{4452618240068} is an apocalyptic number.

It is an amenable number.

4452618240068 is a deficient number, since it is larger than the sum of its proper divisors (3798081933844).

4452618240068 is a wasteful number, since it uses less digits than its factorization.

4452618240068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067431 (or 2067429 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 4452618240068 in words is "four trillion, four hundred fifty-two billion, six hundred eighteen million, two hundred forty thousand, sixty-eight".