340244433 has 6 divisors (see below), whose sum is σ = 491464194. Its totient is φ = 226829616.

The previous prime is 340244371. The next prime is 340244441. The reversal of 340244433 is 334442043.

It can be written as a sum of positive squares in only one way, i.e., 335329344 + 4915089 = 18312^2 + 2217^2 .

It is not a de Polignac number, because 340244433 - 2¹⁶ = 340178897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340244397 and 340244406.

It is not an unprimeable number, because it can be changed into a prime (340244633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18902460 + ... + 18902477.

It is an arithmetic number, because the mean of its divisors is an integer number (81910699).

Almost surely, 2^340244433 is an apocalyptic number.

It is an amenable number.

340244433 is a deficient number, since it is larger than the sum of its proper divisors (151219761).

340244433 is a wasteful number, since it uses less digits than its factorization.

340244433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37804943 (or 37804940 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 340244433 is about 18445.7158440653. The cubic root of 340244433 is about 698.1204222681.

Adding to 340244433 its reverse (334442043), we get a palindrome (674686476).

The spelling of 340244433 in words is "three hundred forty million, two hundred forty-four thousand, four hundred thirty-three".