1340881320 has 32 divisors (see below), whose sum is σ = 4022644320. Its totient is φ = 357568320.

The previous prime is 1340881313. The next prime is 1340881327. The reversal of 1340881320 is 231880431.

1340881320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1340881313) and next prime (1340881327).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1340881327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5586886 + ... + 5587125.

It is an arithmetic number, because the mean of its divisors is an integer number (125707635).

Almost surely, 2^1340881320 is an apocalyptic number.

1340881320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340881320 is an abundant number, since it is smaller than the sum of its proper divisors (2681763000).

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

1340881320 is a wasteful number, since it uses less digits than its factorization.

1340881320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174025 (or 11174021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1340881320 is about 36618.0463706080. The cubic root of 1340881320 is about 1102.7154180287.

The spelling of 1340881320 in words is "one billion, three hundred forty million, eight hundred eighty-one thousand, three hundred twenty".