538616889384 has 288 divisors, whose sum is σ = 1658150282880. Its totient is φ = 145351729152.

The previous prime is 538616889337. The next prime is 538616889401. The reversal of 538616889384 is 483988616835.

It is a happy number.

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, 155802984 + ... + 155806440.

It is an arithmetic number, because the mean of its divisors is an integer number (5757466260).

Almost surely, 2^538616889384 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 538616889384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829075141440).

538616889384 is an abundant number, since it is smaller than the sum of its proper divisors (1119533393496).

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

538616889384 is a wasteful number, since it uses less digits than its factorization.

538616889384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885 (or 3855 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 69.

The spelling of 538616889384 in words is "five hundred thirty-eight billion, six hundred sixteen million, eight hundred eighty-nine thousand, three hundred eighty-four".