340647044 has 6 divisors (see below), whose sum is σ = 596132334. Its totient is φ = 170323520.

The previous prime is 340647031. The next prime is 340647053. The reversal of 340647044 is 440746043.

It can be written as a sum of positive squares in only one way, i.e., 328044544 + 12602500 = 18112^2 + 3550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340647044.

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 as a sum of consecutive naturals, namely, 42580877 + ... + 42580884.

It is an arithmetic number, because the mean of its divisors is an integer number (99355389).

Almost surely, 2^340647044 is an apocalyptic number.

It is an amenable number.

340647044 is a deficient number, since it is larger than the sum of its proper divisors (255485290).

340647044 is a wasteful number, since it uses less digits than its factorization.

340647044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85161765 (or 85161763 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 340647044 is about 18456.6260188584. The cubic root of 340647044 is about 698.3956755303.

The spelling of 340647044 in words is "three hundred forty million, six hundred forty-seven thousand, forty-four".