342140440 has 32 divisors (see below), whose sum is σ = 784345680. Its totient is φ = 134273152.

The previous prime is 342140431. The next prime is 342140471. The reversal of 342140440 is 44041243.

It is a congruent number.

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, 78574 + ... + 82813.

Almost surely, 2^342140440 is an apocalyptic number.

It is an amenable number.

342140440 is an abundant number, since it is smaller than the sum of its proper divisors (442205240).

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

342140440 is a wasteful number, since it uses less digits than its factorization.

342140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161451 (or 161447 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 342140440 is about 18497.0386819080. The cubic root of 342140440 is about 699.4147761754.

Adding to 342140440 its reverse (44041243), we get a palindrome (386181683).

The spelling of 342140440 in words is "three hundred forty-two million, one hundred forty thousand, four hundred forty".