1148440000 has 70 divisors (see below), whose sum is σ = 2847857144. Its totient is φ = 459360000.

The previous prime is 1148439997. The next prime is 1148440031. The reversal of 1148440000 is 448411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25645 + ... + 54355.

Almost surely, 2^1148440000 is an apocalyptic number.

1148440000 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 1148440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423928572).

1148440000 is an abundant number, since it is smaller than the sum of its proper divisors (1699417144).

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

1148440000 is an frugal number, since it uses more digits than its factorization.

1148440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28743 (or 28718 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1148440000 is about 33888.6411648505. The cubic root of 1148440000 is about 1047.2156009132.

Adding to 1148440000 its reverse (448411), we get a palindrome (1148888411).

The spelling of 1148440000 in words is "one billion, one hundred forty-eight million, four hundred forty thousand".