4518641877144 has 32 divisors (see below), whose sum is σ = 11299575366720. Its totient is φ = 1505817869216.

The previous prime is 4518641877007. The next prime is 4518641877203. The reversal of 4518641877144 is 4417781468154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24662442 + ... + 24844985.

It is an arithmetic number, because the mean of its divisors is an integer number (353111730210).

Almost surely, 2^{4518641877144} is an apocalyptic number.

It is an amenable number.

4518641877144 is an abundant number, since it is smaller than the sum of its proper divisors (6780933489576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4518641877144 is a wasteful number, since it uses less digits than its factorization.

4518641877144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49511239 (or 49511235 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 60.

The spelling of 4518641877144 in words is "four trillion, five hundred eighteen billion, six hundred forty-one million, eight hundred seventy-seven thousand, one hundred forty-four".