340442132 has 12 divisors (see below), whose sum is σ = 596238720. Its totient is φ = 170088216.

The previous prime is 340442129. The next prime is 340442227. The reversal of 340442132 is 231244043.

It is a junction number, because it is equal to n+sod(n) for n = 340442098 and 340442107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27332 + ... + 37787.

It is an arithmetic number, because the mean of its divisors is an integer number (49686560).

Almost surely, 2^340442132 is an apocalyptic number.

It is an amenable number.

340442132 is a deficient number, since it is larger than the sum of its proper divisors (255796588).

340442132 is a wasteful number, since it uses less digits than its factorization.

340442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66430 (or 66428 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340442132 is about 18451.0740066805. The cubic root of 340442132 is about 698.2556103592.

Adding to 340442132 its reverse (231244043), we get a palindrome (571686175).

The spelling of 340442132 in words is "three hundred forty million, four hundred forty-two thousand, one hundred thirty-two".