4538740218831 has 432 divisors, whose sum is σ = 9077460088320. Its totient is φ = 2132188531200.

The previous prime is 4538740218829. The next prime is 4538740218841. The reversal of 4538740218831 is 1388120478354.

4538740218831 is a `hidden beast` number, since 4 + 5 + 387 + 40 + 218 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 4538740218831 - 2¹ = 4538740218829 is a prime.

It is a super-2 number, since 2×4538740218831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538740218811) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 7192931886 + ... + 7192932516.

Almost surely, 2^{4538740218831} is an apocalyptic number.

4538740218831 is a deficient number, since it is larger than the sum of its proper divisors (4538719869489).

4538740218831 is a wasteful number, since it uses less digits than its factorization.

4538740218831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 741 counting only the distinct ones).

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

The spelling of 4538740218831 in words is "four trillion, five hundred thirty-eight billion, seven hundred forty million, two hundred eighteen thousand, eight hundred thirty-one".