4538317532640 has 96 divisors (see below), whose sum is σ = 14299256280960. Its totient is φ = 1209916967424.

The previous prime is 4538317532627. The next prime is 4538317532647. The reversal of 4538317532640 is 462357138354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538317532647) 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 15 ways as a sum of consecutive naturals, for example, 759031 + ... + 3106889.

It is an arithmetic number, because the mean of its divisors is an integer number (148950586260).

Almost surely, 2^{4538317532640} is an apocalyptic number.

4538317532640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4538317532640 is an abundant number, since it is smaller than the sum of its proper divisors (9760938748320).

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

4538317532640 is a wasteful number, since it uses less digits than its factorization.

4538317532640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351904 (or 2351896 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 4538317532640 in words is "four trillion, five hundred thirty-eight billion, three hundred seventeen million, five hundred thirty-two thousand, six hundred forty".