494228448 has 144 divisors (see below), whose sum is σ = 1630661760. Its totient is φ = 139062528.

The previous prime is 494228407. The next prime is 494228461. The reversal of 494228448 is 844822494.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133243 + ... + 136901.

It is an arithmetic number, because the mean of its divisors is an integer number (11324040).

Almost surely, 2^494228448 is an apocalyptic number.

494228448 is a gapful number since it is divisible by the number (48) 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 494228448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815330880).

494228448 is an abundant number, since it is smaller than the sum of its proper divisors (1136433312).

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

494228448 is a wasteful number, since it uses less digits than its factorization.

494228448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3738 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 494228448 is about 22231.2493576047. The cubic root of 494228448 is about 790.6347768907.

The spelling of 494228448 in words is "four hundred ninety-four million, two hundred twenty-eight thousand, four hundred forty-eight".