1340342415 has 24 divisors (see below), whose sum is σ = 2355091440. Its totient is φ = 705055104.

The previous prime is 1340342413. The next prime is 1340342431. The reversal of 1340342415 is 5142430431.

It is a happy number.

1340342415 is a `hidden beast` number, since 13 + 403 + 4 + 241 + 5 = 666.

It is not a de Polignac number, because 1340342415 - 2¹ = 1340342413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340342413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200725 + ... + 207294.

It is an arithmetic number, because the mean of its divisors is an integer number (98128810).

Almost surely, 2^1340342415 is an apocalyptic number.

1340342415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340342415 is a deficient number, since it is larger than the sum of its proper divisors (1014749025).

1340342415 is a wasteful number, since it uses less digits than its factorization.

1340342415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408103 (or 408100 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1340342415 is about 36610.6871691860. The cubic root of 1340342415 is about 1102.5676698095.

Adding to 1340342415 its reverse (5142430431), we get a palindrome (6482772846).

The spelling of 1340342415 in words is "one billion, three hundred forty million, three hundred forty-two thousand, four hundred fifteen".