4640118875064 has 128 divisors (see below), whose sum is σ = 13237001856000. Its totient is φ = 1505340087552.

The previous prime is 4640118875047. The next prime is 4640118875069. The reversal of 4640118875064 is 4605788110464.

4640118875064 is a `hidden beast` number, since 4 + 6 + 40 + 1 + 18 + 87 + 506 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4640118875064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640118875069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540492 + ... + 3093924.

It is an arithmetic number, because the mean of its divisors is an integer number (103414077000).

Almost surely, 2^{4640118875064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4640118875064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6618500928000).

4640118875064 is an abundant number, since it is smaller than the sum of its proper divisors (8596882980936).

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

4640118875064 is a wasteful number, since it uses less digits than its factorization.

4640118875064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553674 (or 2553664 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 4640118875064 in words is "four trillion, six hundred forty billion, one hundred eighteen million, eight hundred seventy-five thousand, sixty-four".