342143040 has 56 divisors (see below), whose sum is σ = 1086307200. Its totient is φ = 91237888.

The previous prime is 342143027. The next prime is 342143047. The reversal of 342143040 is 40341243.

It is a junction number, because it is equal to n+sod(n) for n = 342142998 and 342143016.

It is not an unprimeable number, because it can be changed into a prime (342143047) 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, 177240 + ... + 179159.

Almost surely, 2^342143040 is an apocalyptic number.

342143040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342143040 is an abundant number, since it is smaller than the sum of its proper divisors (744164160).

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

342143040 is a wasteful number, since it uses less digits than its factorization.

342143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356419 (or 356409 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 342143040 is about 18497.1089632948. The cubic root of 342143040 is about 699.4165478395.

Adding to 342143040 its reverse (40341243), we get a palindrome (382484283).

The spelling of 342143040 in words is "three hundred forty-two million, one hundred forty-three thousand, forty".