4452925440 has 120 divisors (see below), whose sum is σ = 14249712960. Its totient is φ = 1187381248.

The previous prime is 4452925427. The next prime is 4452925459. The reversal of 4452925440 is 445292544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236701 + ... + 254819.

It is an arithmetic number, because the mean of its divisors is an integer number (118747608).

Almost surely, 2^4452925440 is an apocalyptic number.

4452925440 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 4452925440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7124856480).

4452925440 is an abundant number, since it is smaller than the sum of its proper divisors (9796787520).

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

4452925440 is an equidigital number, since it uses as much as digits as its factorization.

4452925440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18155 (or 18129 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 4452925440 is about 66730.2438179271. The cubic root of 4452925440 is about 1645.1865150686.

The spelling of 4452925440 in words is "four billion, four hundred fifty-two million, nine hundred twenty-five thousand, four hundred forty".