340442300042 has 16 divisors (see below), whose sum is σ = 555390260712. Its totient is φ = 155571499200.

The previous prime is 340442300041. The next prime is 340442300117. The reversal of 340442300042 is 240003244043.

It can be written as a sum of positive squares in 4 ways, for example, as 331763328121 + 8678971921 = 575989^2 + 93161^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 340442299984 and 340442300020.

It is not an unprimeable number, because it can be changed into a prime (340442300041) 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, 64818833 + ... + 64824084.

Almost surely, 2^340442300042 is an apocalyptic number.

340442300042 is a deficient number, since it is larger than the sum of its proper divisors (214947960670).

340442300042 is a wasteful number, since it uses less digits than its factorization.

340442300042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129643033.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 340442300042 its reverse (240003244043), we get a palindrome (580445544085).

The spelling of 340442300042 in words is "three hundred forty billion, four hundred forty-two million, three hundred thousand, forty-two".