340103440 has 20 divisors (see below), whose sum is σ = 790740684. Its totient is φ = 136041344.

The previous prime is 340103417. The next prime is 340103441. The reversal of 340103440 is 44301043.

It can be written as a sum of positive squares in 2 ways, for example, as 111851776 + 228251664 = 10576^2 + 15108^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (340103441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125567 + ... + 2125726.

Almost surely, 2^340103440 is an apocalyptic number.

It is an amenable number.

340103440 is an abundant number, since it is smaller than the sum of its proper divisors (450637244).

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

340103440 is a wasteful number, since it uses less digits than its factorization.

340103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251306 (or 4251300 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340103440 is about 18441.8936120996. The cubic root of 340103440 is about 698.0239781803.

Adding to 340103440 its reverse (44301043), we get a palindrome (384404483).

The spelling of 340103440 in words is "three hundred forty million, one hundred three thousand, four hundred forty".