4568431728 has 40 divisors (see below), whose sum is σ = 13487751808. Its totient is φ = 1305266112.

The previous prime is 4568431723. The next prime is 4568431753. The reversal of 4568431728 is 8271348654.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4568431723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6797926 + ... + 6798597.

Almost surely, 2^4568431728 is an apocalyptic number.

4568431728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4568431728 is an abundant number, since it is smaller than the sum of its proper divisors (8919320080).

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

4568431728 is a wasteful number, since it uses less digits than its factorization.

4568431728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13596541 (or 13596535 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 4568431728 is about 67590.1747889440. The cubic root of 4568431728 is about 1659.2903203421.

The spelling of 4568431728 in words is "four billion, five hundred sixty-eight million, four hundred thirty-one thousand, seven hundred twenty-eight".