4272643998 has 32 divisors (see below), whose sum is σ = 10851160320. Its totient is φ = 1220755320.

The previous prime is 4272643997. The next prime is 4272644041. The reversal of 4272643998 is 8993462724.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272643997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5651268 + ... + 5652023.

It is an arithmetic number, because the mean of its divisors is an integer number (339098760).

Almost surely, 2^4272643998 is an apocalyptic number.

4272643998 is an abundant number, since it is smaller than the sum of its proper divisors (6578516322).

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

4272643998 is a wasteful number, since it uses less digits than its factorization.

4272643998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303309 (or 11303303 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 4272643998 is about 65365.4648725151. The cubic root of 4272643998 is about 1622.6775815818.

The spelling of 4272643998 in words is "four billion, two hundred seventy-two million, six hundred forty-three thousand, nine hundred ninety-eight".