342140424 has 32 divisors (see below), whose sum is σ = 856146240. Its totient is φ = 113940800.

The previous prime is 342140417. The next prime is 342140431. The reversal of 342140424 is 424041243.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (342140417) and next prime (342140431).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 342140394 and 342140403.

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, 22309 + ... + 34379.

It is an arithmetic number, because the mean of its divisors is an integer number (26754570).

Almost surely, 2^342140424 is an apocalyptic number.

It is an amenable number.

342140424 is an abundant number, since it is smaller than the sum of its proper divisors (514005816).

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

342140424 is a wasteful number, since it uses less digits than its factorization.

342140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261 (or 13257 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 342140424 is about 18497.0382494063. The cubic root of 342140424 is about 699.4147652729.

Adding to 342140424 its reverse (424041243), we get a palindrome (766181667).

The spelling of 342140424 in words is "three hundred forty-two million, one hundred forty thousand, four hundred twenty-four".