340432432 has 10 divisors (see below), whose sum is σ = 659587868. Its totient is φ = 170216208.

The previous prime is 340432423. The next prime is 340432439. The reversal of 340432432 is 234234043.

It is a junction number, because it is equal to n+sod(n) for n = 340432397 and 340432406.

It is not an unprimeable number, because it can be changed into a prime (340432439) by changing a digit.

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 as a sum of consecutive naturals, namely, 10638498 + ... + 10638529.

Almost surely, 2^340432432 is an apocalyptic number.

It is an amenable number.

340432432 is a deficient number, since it is larger than the sum of its proper divisors (319155436).

340432432 is a wasteful number, since it uses less digits than its factorization.

340432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21277035 (or 21277029 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 340432432 is about 18450.8111474808. The cubic root of 340432432 is about 698.2489786460.

Adding to 340432432 its reverse (234234043), we get a palindrome (574666475).

The spelling of 340432432 in words is "three hundred forty million, four hundred thirty-two thousand, four hundred thirty-two".