4578232506816 has 112 divisors (see below), whose sum is σ = 12296971136768. Its totient is φ = 1502990899200.

The previous prime is 4578232506811. The next prime is 4578232506817. The reversal of 4578232506816 is 6186052328754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4578232506811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9448701 + ... + 9921411.

Almost surely, 2^{4578232506816} 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 4578232506816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6148485568384).

4578232506816 is an abundant number, since it is smaller than the sum of its proper divisors (7718738629952).

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

4578232506816 is a wasteful number, since it uses less digits than its factorization.

4578232506816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473490 (or 473480 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 4578232506816 in words is "four trillion, five hundred seventy-eight billion, two hundred thirty-two million, five hundred six thousand, eight hundred sixteen".