1340048448 has 140 divisors (see below), whose sum is σ = 4145401920. Its totient is φ = 427223808.

The previous prime is 1340048429. The next prime is 1340048453. The reversal of 1340048448 is 8448400431.

1340048448 is a `hidden beast` number, since 134 + 0 + 0 + 484 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113613 + ... + 124851.

Almost surely, 2^1340048448 is an apocalyptic number.

1340048448 is a gapful number since it is divisible by the number (18) 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 1340048448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2072700960).

1340048448 is an abundant number, since it is smaller than the sum of its proper divisors (2805353472).

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

1340048448 is a wasteful number, since it uses less digits than its factorization.

1340048448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286 (or 11267 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 1340048448 is about 36606.6721787163. The cubic root of 1340048448 is about 1102.4870580183.

Adding to 1340048448 its reverse (8448400431), we get a palindrome (9788448879).

The spelling of 1340048448 in words is "one billion, three hundred forty million, forty-eight thousand, four hundred forty-eight".