342430040 has 32 divisors (see below), whose sum is σ = 777546000. Its totient is φ = 135713664.

The previous prime is 342430021. The next prime is 342430063. The reversal of 342430040 is 40034243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 342429994 and 342430021.

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, 34910 + ... + 43629.

Almost surely, 2^342430040 is an apocalyptic number.

It is an amenable number.

342430040 is an abundant number, since it is smaller than the sum of its proper divisors (435115960).

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

342430040 is a wasteful number, since it uses less digits than its factorization.

342430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78659 (or 78655 counting only the distinct ones).

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

The square root of 342430040 is about 18504.8653061837. The cubic root of 342430040 is about 699.6120571491.

Adding to 342430040 its reverse (40034243), we get a palindrome (382464283).

The spelling of 342430040 in words is "three hundred forty-two million, four hundred thirty thousand, forty".