340142424 has 16 divisors (see below), whose sum is σ = 850356120. Its totient is φ = 113380800.

The previous prime is 340142381. The next prime is 340142459. The reversal of 340142424 is 424241043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 14172601 = 340142424 / (3 + 4 + 0 + 1 + 4 + 2 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 340142394 and 340142403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7086277 + ... + 7086324.

Almost surely, 2^340142424 is an apocalyptic number.

It is an amenable number.

340142424 is an abundant number, since it is smaller than the sum of its proper divisors (510213696).

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

340142424 is a wasteful number, since it uses less digits than its factorization.

340142424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172610 (or 14172606 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 340142424 is about 18442.9505231674. The cubic root of 340142424 is about 698.0506472501.

Adding to 340142424 its reverse (424241043), we get a palindrome (764383467).

The spelling of 340142424 in words is "three hundred forty million, one hundred forty-two thousand, four hundred twenty-four".