538759399221120 has 1024 divisors, whose sum is σ = 2164584143462400. Its totient is φ = 110722564915200.

The previous prime is 538759399221107. The next prime is 538759399221139. The reversal of 538759399221120 is 21122993957835.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9791859210 + ... + 9791914230.

It is an arithmetic number, because the mean of its divisors is an integer number (2113851702600).

Almost surely, 2^{538759399221120} 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 538759399221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082292071731200).

538759399221120 is an abundant number, since it is smaller than the sum of its proper divisors (1625824744241280).

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

538759399221120 is a wasteful number, since it uses less digits than its factorization.

538759399221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55787 (or 55775 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 66.

The spelling of 538759399221120 in words is "five hundred thirty-eight trillion, seven hundred fifty-nine billion, three hundred ninety-nine million, two hundred twenty-one thousand, one hundred twenty".