503010081900 has 108 divisors (see below), whose sum is σ = 1577607667272. Its totient is φ = 134055156480.

The previous prime is 503010081817. The next prime is 503010081901. The reversal of 503010081900 is 9180010305.

It is a super-2 number, since 2×503010081900² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503010081901) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1332664 + ... + 1667936.

Almost surely, 2^503010081900 is an apocalyptic number.

503010081900 is a gapful number since it is divisible by the number (50) 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 503010081900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788803833636).

503010081900 is an abundant number, since it is smaller than the sum of its proper divisors (1074597585372).

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

503010081900 is a wasteful number, since it uses less digits than its factorization.

503010081900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336960 (or 336950 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 503010081900 in words is "five hundred three billion, ten million, eighty-one thousand, nine hundred".