503945069472 has 432 divisors, whose sum is σ = 1648455157440. Its totient is φ = 145463205888.

The previous prime is 503945069447. The next prime is 503945069477. The reversal of 503945069472 is 274960549305.

503945069472 is a `hidden beast` number, since 5 + 0 + 3 + 94 + 506 + 9 + 47 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (503945069477) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 313592893 + ... + 313594499.

It is an arithmetic number, because the mean of its divisors is an integer number (3815868420).

Almost surely, 2^503945069472 is an apocalyptic number.

503945069472 is a gapful number since it is divisible by the number (52) 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 503945069472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824227578720).

503945069472 is an abundant number, since it is smaller than the sum of its proper divisors (1144510087968).

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

503945069472 is a wasteful number, since it uses less digits than its factorization.

503945069472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 503945069472 in words is "five hundred three billion, nine hundred forty-five million, sixty-nine thousand, four hundred seventy-two".