340444161 has 8 divisors (see below), whose sum is σ = 504361760. Its totient is φ = 226962756.

The previous prime is 340444133. The next prime is 340444163. The reversal of 340444161 is 161444043.

It is not a de Polignac number, because 340444161 - 2¹³ = 340435969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12609043 = 340444161 / (3 + 4 + 0 + 4 + 4 + 4 + 1 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340444163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6304495 + ... + 6304548.

It is an arithmetic number, because the mean of its divisors is an integer number (63045220).

Almost surely, 2^340444161 is an apocalyptic number.

It is an amenable number.

340444161 is a deficient number, since it is larger than the sum of its proper divisors (163917599).

340444161 is a wasteful number, since it uses less digits than its factorization.

340444161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609052 (or 12609046 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 340444161 is about 18451.1289898477. The cubic root of 340444161 is about 698.2569975336.

The spelling of 340444161 in words is "three hundred forty million, four hundred forty-four thousand, one hundred sixty-one".