538942265730 has 192 divisors, whose sum is σ = 1550146066560. Its totient is φ = 128820556800.

The previous prime is 538942265663. The next prime is 538942265731. The reversal of 538942265730 is 37562249835.

538942265730 is a `hidden beast` number, since 5 + 3 + 8 + 9 + 42 + 26 + 573 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (538942265731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42804276 + ... + 42816864.

It is an arithmetic number, because the mean of its divisors is an integer number (8073677430).

Almost surely, 2^538942265730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538942265730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775073033280).

538942265730 is an abundant number, since it is smaller than the sum of its proper divisors (1011203800830).

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

538942265730 is a wasteful number, since it uses less digits than its factorization.

538942265730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217 (or 13214 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 538942265730 in words is "five hundred thirty-eight billion, nine hundred forty-two million, two hundred sixty-five thousand, seven hundred thirty".