502143105450 has 48 divisors (see below), whose sum is σ = 1423217033280. Its totient is φ = 114775566720.

The previous prime is 502143105449. The next prime is 502143105463. The reversal of 502143105450 is 54501341205.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239114715 + ... + 239116814.

It is an arithmetic number, because the mean of its divisors is an integer number (29650354860).

Almost surely, 2^502143105450 is an apocalyptic number.

502143105450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

502143105450 is an abundant number, since it is smaller than the sum of its proper divisors (921073927830).

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

502143105450 is a wasteful number, since it uses less digits than its factorization.

502143105450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478231551 (or 478231546 counting only the distinct ones).

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

Adding to 502143105450 its reverse (54501341205), we get a palindrome (556644446655).

The spelling of 502143105450 in words is "five hundred two billion, one hundred forty-three million, one hundred five thousand, four hundred fifty".