503232460640 has 384 divisors, whose sum is σ = 1509302108160. Its totient is φ = 154311671808.

The previous prime is 503232460631. The next prime is 503232460649. The reversal of 503232460640 is 46064232305.

It is an interprime number because it is at equal distance from previous prime (503232460631) and next prime (503232460649).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 503232460640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503232460649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79508996 + ... + 79515324.

It is an arithmetic number, because the mean of its divisors is an integer number (3930474240).

Almost surely, 2^503232460640 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 503232460640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754651054080).

503232460640 is an abundant number, since it is smaller than the sum of its proper divisors (1006069647520).

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

503232460640 is a wasteful number, since it uses less digits than its factorization.

503232460640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534 (or 6526 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 503232460640 its reverse (46064232305), we get a palindrome (549296692945).

The spelling of 503232460640 in words is "five hundred three billion, two hundred thirty-two million, four hundred sixty thousand, six hundred forty".