503775280380 has 72 divisors (see below), whose sum is σ = 1474566527952. Its totient is φ = 128499193856.

The previous prime is 503775280343. The next prime is 503775280429. The reversal of 503775280380 is 83082577305.

It is a super-2 number, since 2×503775280380² (a number of 24 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 7904229 + ... + 7967708.

It is an arithmetic number, because the mean of its divisors is an integer number (20480090666).

Almost surely, 2^503775280380 is an apocalyptic number.

It is an amenable number.

503775280380 is an abundant number, since it is smaller than the sum of its proper divisors (970791247572).

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

503775280380 is a wasteful number, since it uses less digits than its factorization.

503775280380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871995 (or 15871970 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 503775280380 in words is "five hundred three billion, seven hundred seventy-five million, two hundred eighty thousand, three hundred eighty".