4385494918544 has 40 divisors (see below), whose sum is σ = 8636564010240. Its totient is φ = 2156847526400.

The previous prime is 4385494918543. The next prime is 4385494918549. The reversal of 4385494918544 is 4458194945834.

It is not an unprimeable number, because it can be changed into a prime (4385494918543) 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, 3988889 + ... + 4968120.

It is an arithmetic number, because the mean of its divisors is an integer number (215914100256).

Almost surely, 2^{4385494918544} is an apocalyptic number.

It is an amenable number.

4385494918544 is a deficient number, since it is larger than the sum of its proper divisors (4251069091696).

4385494918544 is a wasteful number, since it uses less digits than its factorization.

4385494918544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8957519 (or 8957513 counting only the distinct ones).

The product of its digits is 398131200, while the sum is 68.

The spelling of 4385494918544 in words is "four trillion, three hundred eighty-five billion, four hundred ninety-four million, nine hundred eighteen thousand, five hundred forty-four".