4491798272 has 108 divisors (see below), whose sum is σ = 9919859040. Its totient is φ = 2029028352.

The previous prime is 4491798263. The next prime is 4491798281. The reversal of 4491798272 is 2728971944.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (4491798263) and next prime (4491798281).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95570153 + ... + 95570199.

Almost surely, 2^4491798272 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 4491798272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4959929520).

4491798272 is an abundant number, since it is smaller than the sum of its proper divisors (5428060768).

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

4491798272 is an frugal number, since it uses more digits than its factorization.

4491798272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 62 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 4491798272 is about 67020.8793735206. The cubic root of 4491798272 is about 1649.9599956019.

The spelling of 4491798272 in words is "four billion, four hundred ninety-one million, seven hundred ninety-eight thousand, two hundred seventy-two".