340143432 has 16 divisors (see below), whose sum is σ = 850358640. Its totient is φ = 113381136.

The previous prime is 340143367. The next prime is 340143467. The reversal of 340143432 is 234341043.

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: 14172643 = 340143432 / (3 + 4 + 0 + 1 + 4 + 3 + 4 + 3 + 2).

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, 7086298 + ... + 7086345.

It is an arithmetic number, because the mean of its divisors is an integer number (53147415).

Almost surely, 2^340143432 is an apocalyptic number.

It is an amenable number.

340143432 is an abundant number, since it is smaller than the sum of its proper divisors (510215208).

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

340143432 is a wasteful number, since it uses less digits than its factorization.

340143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172652 (or 14172648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 340143432 is about 18442.9778506618. The cubic root of 340143432 is about 698.0513367988.

Adding to 340143432 its reverse (234341043), we get a palindrome (574484475).

The spelling of 340143432 in words is "three hundred forty million, one hundred forty-three thousand, four hundred thirty-two".