4449548720 has 160 divisors (see below), whose sum is σ = 11628541440. Its totient is φ = 1574481920.

The previous prime is 4449548717. The next prime is 4449548723. The reversal of 4449548720 is 278459444.

It is an interprime number because it is at equal distance from previous prime (4449548717) and next prime (4449548723).

It is not an unprimeable number, because it can be changed into a prime (4449548723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844315 + ... + 1846725.

It is an arithmetic number, because the mean of its divisors is an integer number (72678384).

Almost surely, 2^4449548720 is an apocalyptic number.

4449548720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4449548720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5814270720).

4449548720 is an abundant number, since it is smaller than the sum of its proper divisors (7178992720).

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

4449548720 is a wasteful number, since it uses less digits than its factorization.

4449548720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 4449548720 is about 66704.9377482657. The cubic root of 4449548720 is about 1644.7705533892.

The spelling of 4449548720 in words is "four billion, four hundred forty-nine million, five hundred forty-eight thousand, seven hundred twenty".