342040430 has 16 divisors (see below), whose sum is σ = 622021680. Its totient is φ = 135405312.

The previous prime is 342040423. The next prime is 342040483. The reversal of 342040430 is 34040243.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175340 + ... + 177279.

It is an arithmetic number, because the mean of its divisors is an integer number (38876355).

Almost surely, 2^342040430 is an apocalyptic number.

342040430 is a deficient number, since it is larger than the sum of its proper divisors (279981250).

342040430 is a wasteful number, since it uses less digits than its factorization.

342040430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352723.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 342040430 is about 18494.3350786126. The cubic root of 342040430 is about 699.3466216204.

Adding to 342040430 its reverse (34040243), we get a palindrome (376080673).

The spelling of 342040430 in words is "three hundred forty-two million, forty thousand, four hundred thirty".