1448815280 has 120 divisors (see below), whose sum is σ = 3743156256. Its totient is φ = 521072640.

The previous prime is 1448815273. The next prime is 1448815289. The reversal of 1448815280 is 825188441.

It is a super-2 number, since 2×1448815280² = 4198131431122956800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1448815289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938189 + ... + 939731.

Almost surely, 2^1448815280 is an apocalyptic number.

1448815280 is a gapful number since it is divisible by the number (10) 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 1448815280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871578128).

1448815280 is an abundant number, since it is smaller than the sum of its proper divisors (2294340976).

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

1448815280 is a wasteful number, since it uses less digits than its factorization.

1448815280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 1448815280 is about 38063.3062147786. The cubic root of 1448815280 is about 1131.5428529479.

The spelling of 1448815280 in words is "one billion, four hundred forty-eight million, eight hundred fifteen thousand, two hundred eighty".