342040442 has 32 divisors (see below), whose sum is σ = 564537600. Its totient is φ = 154701568.

The previous prime is 342040423. The next prime is 342040483. The reversal of 342040442 is 244040243.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258659 + ... + 259977.

It is an arithmetic number, because the mean of its divisors is an integer number (17641800).

Almost surely, 2^342040442 is an apocalyptic number.

342040442 is a deficient number, since it is larger than the sum of its proper divisors (222497158).

342040442 is a wasteful number, since it uses less digits than its factorization.

342040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 342040442 is about 18494.3354030362. The cubic root of 342040442 is about 699.3466297989.

Adding to 342040442 its reverse (244040243), we get a palindrome (586080685).

The spelling of 342040442 in words is "three hundred forty-two million, forty thousand, four hundred forty-two".