1340241312 has 48 divisors (see below), whose sum is σ = 3520026720. Its totient is φ = 446506752.

The previous prime is 1340241311. The next prime is 1340241341. The reversal of 1340241312 is 2131420431.

1340241312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1340241311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321739 + ... + 325877.

It is an arithmetic number, because the mean of its divisors is an integer number (73333890).

Almost surely, 2^1340241312 is an apocalyptic number.

1340241312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340241312 is an abundant number, since it is smaller than the sum of its proper divisors (2179785408).

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

1340241312 is a wasteful number, since it uses less digits than its factorization.

1340241312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525 (or 7517 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1340241312 is about 36609.3063578102. The cubic root of 1340241312 is about 1102.5399466195.

Adding to 1340241312 its reverse (2131420431), we get a palindrome (3471661743).

The spelling of 1340241312 in words is "one billion, three hundred forty million, two hundred forty-one thousand, three hundred twelve".