502125315420 has 192 divisors, whose sum is σ = 1617554534400. Its totient is φ = 115539333120.

The previous prime is 502125315397. The next prime is 502125315449. The reversal of 502125315420 is 24513521205.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182886 + ... + 1018674.

It is an arithmetic number, because the mean of its divisors is an integer number (8424763200).

Almost surely, 2^502125315420 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 502125315420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808777267200).

502125315420 is an abundant number, since it is smaller than the sum of its proper divisors (1115429218980).

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

502125315420 is a wasteful number, since it uses less digits than its factorization.

502125315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835868 (or 835866 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 502125315420 its reverse (24513521205), we get a palindrome (526638836625).

The spelling of 502125315420 in words is "five hundred two billion, one hundred twenty-five million, three hundred fifteen thousand, four hundred twenty".