503323552868976 has 240 divisors, whose sum is σ = 1642754745112000. Its totient is φ = 143801083109376.

The previous prime is 503323552868921. The next prime is 503323552868989. The reversal of 503323552868976 is 679868255323305.

It is a happy number.

503323552868976 is a `hidden beast` number, since 5 + 0 + 3 + 3 + 2 + 3 + 5 + 528 + 6 + 8 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1350042720 + ... + 1350415488.

Almost surely, 2^{503323552868976} is an apocalyptic number.

503323552868976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503323552868976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821377372556000).

503323552868976 is an abundant number, since it is smaller than the sum of its proper divisors (1139431192243024).

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

503323552868976 is a wasteful number, since it uses less digits than its factorization.

503323552868976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400141 (or 400118 counting only the distinct ones).

The product of its (nonzero) digits is 1959552000, while the sum is 72.

The spelling of 503323552868976 in words is "five hundred three trillion, three hundred twenty-three billion, five hundred fifty-two million, eight hundred sixty-eight thousand, nine hundred seventy-six".