502400064464 has 80 divisors (see below), whose sum is σ = 1035302040000. Its totient is φ = 235503129600.

The previous prime is 502400064457. The next prime is 502400064503. The reversal of 502400064464 is 464460004205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98526587 + ... + 98531685.

It is an arithmetic number, because the mean of its divisors is an integer number (12941275500).

Almost surely, 2^502400064464 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 502400064464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517651020000).

502400064464 is an abundant number, since it is smaller than the sum of its proper divisors (532901975536).

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

502400064464 is a wasteful number, since it uses less digits than its factorization.

502400064464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436 (or 8430 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 502400064464 its reverse (464460004205), we get a palindrome (966860068669).

The spelling of 502400064464 in words is "five hundred two billion, four hundred million, sixty-four thousand, four hundred sixty-four".