340530444 has 18 divisors (see below), whose sum is σ = 860785380. Its totient is φ = 113510136.

The previous prime is 340530427. The next prime is 340530467. The reversal of 340530444 is 444035043.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4729554 + ... + 4729625.

It is an arithmetic number, because the mean of its divisors is an integer number (47821410).

Almost surely, 2^340530444 is an apocalyptic number.

It is an amenable number.

340530444 is an abundant number, since it is smaller than the sum of its proper divisors (520254936).

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

340530444 is a wasteful number, since it uses less digits than its factorization.

340530444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459189 (or 9459184 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 340530444 is about 18453.4669913271. The cubic root of 340530444 is about 698.3159818707.

Adding to 340530444 its reverse (444035043), we get a palindrome (784565487).

The spelling of 340530444 in words is "three hundred forty million, five hundred thirty thousand, four hundred forty-four".