538491792384 has 792 divisors, whose sum is σ = 2015681063760. Its totient is φ = 137079226368.

The previous prime is 538491792367. The next prime is 538491792403. The reversal of 538491792384 is 483297194835.

538491792384 is a `hidden beast` number, since 5 + 3 + 84 + 9 + 179 + 2 + 384 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 170245587 + ... + 170248749.

Almost surely, 2^538491792384 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 538491792384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007840531880).

538491792384 is an abundant number, since it is smaller than the sum of its proper divisors (1477189271376).

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

538491792384 is a wasteful number, since it uses less digits than its factorization.

538491792384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3217 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 538491792384 in words is "five hundred thirty-eight billion, four hundred ninety-one million, seven hundred ninety-two thousand, three hundred eighty-four".