503413840 has 40 divisors (see below), whose sum is σ = 1186484328. Its totient is φ = 198604800.

The previous prime is 503413793. The next prime is 503413879. The reversal of 503413840 is 48314305.

It can be written as a sum of positive squares in 4 ways, for example, as 5588496 + 497825344 = 2364^2 + 22312^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×503413840³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503413799 and 503413808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37261 + ... + 48940.

Almost surely, 2^503413840 is an apocalyptic number.

It is an amenable number.

503413840 is an abundant number, since it is smaller than the sum of its proper divisors (683070488).

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

503413840 is a wasteful number, since it uses less digits than its factorization.

503413840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86287 (or 86281 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 503413840 is about 22436.8857018972. The cubic root of 503413840 is about 795.5028081203.

The spelling of 503413840 in words is "five hundred three million, four hundred thirteen thousand, eight hundred forty".