340632432 has 80 divisors (see below), whose sum is σ = 1117428480. Its totient is φ = 97322688.

The previous prime is 340632403. The next prime is 340632449. The reversal of 340632432 is 234236043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 340632396 and 340632405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53298 + ... + 59345.

It is an arithmetic number, because the mean of its divisors is an integer number (13967856).

Almost surely, 2^340632432 is an apocalyptic number.

It is an amenable number.

340632432 is an abundant number, since it is smaller than the sum of its proper divisors (776796048).

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

340632432 is a wasteful number, since it uses less digits than its factorization.

340632432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112667 (or 112655 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 340632432 is about 18456.2301676155. The cubic root of 340632432 is about 698.3856895309.

Adding to 340632432 its reverse (234236043), we get a palindrome (574868475).

The spelling of 340632432 in words is "three hundred forty million, six hundred thirty-two thousand, four hundred thirty-two".