1340412412 has 6 divisors (see below), whose sum is σ = 2345721728. Its totient is φ = 670206204.

The previous prime is 1340412397. The next prime is 1340412421. The reversal of 1340412412 is 2142140431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167551548 + ... + 167551555.

Almost surely, 2^1340412412 is an apocalyptic number.

It is an amenable number.

1340412412 is a deficient number, since it is larger than the sum of its proper divisors (1005309316).

1340412412 is a wasteful number, since it uses less digits than its factorization.

1340412412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335103107 (or 335103105 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1340412412 is about 36611.6431207341. The cubic root of 1340412412 is about 1102.5868626876.

Adding to 1340412412 its reverse (2142140431), we get a palindrome (3482552843).

The spelling of 1340412412 in words is "one billion, three hundred forty million, four hundred twelve thousand, four hundred twelve".