4273441728 has 56 divisors (see below), whose sum is σ = 11520178128. Its totient is φ = 1397600256.

The previous prime is 4273441709. The next prime is 4273441741. The reversal of 4273441728 is 8271443724.

It is a super-2 number, since 2×4273441728² = 36524608405223251968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4273441728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199801 + ... + 220152.

Almost surely, 2^4273441728 is an apocalyptic number.

4273441728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4273441728 is an abundant number, since it is smaller than the sum of its proper divisors (7246736400).

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

4273441728 is a wasteful number, since it uses less digits than its factorization.

4273441728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420021 (or 420011 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 4273441728 is about 65371.5666631908. The cubic root of 4273441728 is about 1622.7785633965.

The spelling of 4273441728 in words is "four billion, two hundred seventy-three million, four hundred forty-one thousand, seven hundred twenty-eight".