503473320 has 320 divisors, whose sum is σ = 1965427200. Its totient is φ = 113218560.

The previous prime is 503473307. The next prime is 503473331. The reversal of 503473320 is 23374305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1791580 + ... + 1791860.

It is an arithmetic number, because the mean of its divisors is an integer number (6141960).

Almost surely, 2^503473320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503473320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982713600).

503473320 is an abundant number, since it is smaller than the sum of its proper divisors (1461953880).

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

503473320 is a wasteful number, since it uses less digits than its factorization.

503473320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 503473320 is about 22438.2111586463. The cubic root of 503473320 is about 795.5341373104.

The spelling of 503473320 in words is "five hundred three million, four hundred seventy-three thousand, three hundred twenty".