340544042 has 16 divisors (see below), whose sum is σ = 529959240. Its totient is φ = 163924992.

The previous prime is 340544033. The next prime is 340544053. The reversal of 340544042 is 240445043.

It can be written as a sum of positive squares in 4 ways, for example, as 223233481 + 117310561 = 14941^2 + 10831^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12158 + ... + 28790.

Almost surely, 2^340544042 is an apocalyptic number.

340544042 is a deficient number, since it is larger than the sum of its proper divisors (189415198).

340544042 is a wasteful number, since it uses less digits than its factorization.

340544042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17017.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 340544042 is about 18453.8354278995. The cubic root of 340544042 is about 698.3252767561.

Adding to 340544042 its reverse (240445043), we get a palindrome (580989085).

The spelling of 340544042 in words is "three hundred forty million, five hundred forty-four thousand, forty-two".