1340040332 has 48 divisors (see below), whose sum is σ = 2433261600. Its totient is φ = 645442560.

The previous prime is 1340040311. The next prime is 1340040343. The reversal of 1340040332 is 2330400431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2906582 + ... + 2907042.

It is an arithmetic number, because the mean of its divisors is an integer number (50692950).

Almost surely, 2^1340040332 is an apocalyptic number.

It is an amenable number.

1340040332 is a deficient number, since it is larger than the sum of its proper divisors (1093221268).

1340040332 is a wasteful number, since it uses less digits than its factorization.

1340040332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1340040332 is about 36606.5613244402. The cubic root of 1340040332 is about 1102.4848322771.

Adding to 1340040332 its reverse (2330400431), we get a palindrome (3670440763).

The spelling of 1340040332 in words is "one billion, three hundred forty million, forty thousand, three hundred thirty-two".