504781942928 has 40 divisors (see below), whose sum is σ = 992254660536. Its totient is φ = 248722099200.

The previous prime is 504781942921. The next prime is 504781942937. The reversal of 504781942928 is 829249187405.

It can be written as a sum of positive squares in 4 ways, for example, as 264101432464 + 240680510464 = 513908^2 + 490592^2 .

It is not an unprimeable number, because it can be changed into a prime (504781942921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196438 + ... + 1562378.

Almost surely, 2^504781942928 is an apocalyptic number.

It is an amenable number.

504781942928 is a deficient number, since it is larger than the sum of its proper divisors (487472717608).

504781942928 is a wasteful number, since it uses less digits than its factorization.

504781942928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367203 (or 367197 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 504781942928 in words is "five hundred four billion, seven hundred eighty-one million, nine hundred forty-two thousand, nine hundred twenty-eight".