503516243340 has 288 divisors, whose sum is σ = 1755853811712. Its totient is φ = 115600320000.

The previous prime is 503516243323. The next prime is 503516243381. The reversal of 503516243340 is 43342615305.

503516243340 is a `hidden beast` number, since 50 + 3 + 516 + 24 + 33 + 40 = 666.

503516243340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 503516243295 and 503516243304.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4544805 + ... + 4654275.

It is an arithmetic number, because the mean of its divisors is an integer number (6096714624).

Almost surely, 2^503516243340 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 503516243340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877926905856).

503516243340 is an abundant number, since it is smaller than the sum of its proper divisors (1252337568372).

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

503516243340 is a wasteful number, since it uses less digits than its factorization.

503516243340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109621 (or 109616 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 503516243340 its reverse (43342615305), we get a palindrome (546858858645).

The spelling of 503516243340 in words is "five hundred three billion, five hundred sixteen million, two hundred forty-three thousand, three hundred forty".