503273950920 has 512 divisors, whose sum is σ = 1904652288000. Its totient is φ = 117181209600.

The previous prime is 503273950897. The next prime is 503273950931. The reversal of 503273950920 is 29059372305.

503273950920 is a `hidden beast` number, since 50 + 3 + 2 + 73 + 9 + 509 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 257955945 + ... + 257957895.

It is an arithmetic number, because the mean of its divisors is an integer number (3720024000).

Almost surely, 2^503273950920 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 503273950920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952326144000).

503273950920 is an abundant number, since it is smaller than the sum of its proper divisors (1401378337080).

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

503273950920 is a wasteful number, since it uses less digits than its factorization.

503273950920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 503273950920 in words is "five hundred three billion, two hundred seventy-three million, nine hundred fifty thousand, nine hundred twenty".