340256432 has 20 divisors (see below), whose sum is σ = 663993960. Its totient is φ = 168903168.

The previous prime is 340256419. The next prime is 340256443. The reversal of 340256432 is 234652043.

It is a junction number, because it is equal to n+sod(n) for n = 340256395 and 340256404.

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, 74273 + ... + 78720.

It is an arithmetic number, because the mean of its divisors is an integer number (33199698).

Almost surely, 2^340256432 is an apocalyptic number.

It is an amenable number.

340256432 is a deficient number, since it is larger than the sum of its proper divisors (323737528).

340256432 is a wasteful number, since it uses less digits than its factorization.

340256432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153140 (or 153134 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 340256432 is about 18446.0410928741. The cubic root of 340256432 is about 698.1286287687.

The spelling of 340256432 in words is "three hundred forty million, two hundred fifty-six thousand, four hundred thirty-two".