538248768 has 56 divisors (see below), whose sum is σ = 1462625472. Its totient is φ = 174564864.

The previous prime is 538248749. The next prime is 538248769. The reversal of 538248768 is 867842835.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 538248768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538248769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30780 + ... + 44987.

It is an arithmetic number, because the mean of its divisors is an integer number (26118312).

Almost surely, 2^538248768 is an apocalyptic number.

It is an amenable number.

538248768 is an abundant number, since it is smaller than the sum of its proper divisors (924376704).

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

538248768 is a wasteful number, since it uses less digits than its factorization.

538248768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75819 (or 75809 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 538248768 is about 23200.1889647477. The cubic root of 538248768 is about 813.4440399934. Note that the first 3 decimals are identical.

The spelling of 538248768 in words is "five hundred thirty-eight million, two hundred forty-eight thousand, seven hundred sixty-eight".