342040420 has 48 divisors (see below), whose sum is σ = 732828096. Its totient is φ = 134064000.

The previous prime is 342040403. The next prime is 342040423. The reversal of 342040420 is 24040243.

It is not an unprimeable number, because it can be changed into a prime (342040423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598735 + ... + 599305.

It is an arithmetic number, because the mean of its divisors is an integer number (15267252).

Almost surely, 2^342040420 is an apocalyptic number.

It is an amenable number.

342040420 is an abundant number, since it is smaller than the sum of its proper divisors (390787676).

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

342040420 is a wasteful number, since it uses less digits than its factorization.

342040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 342040420 is about 18494.3348082595. The cubic root of 342040420 is about 699.3466148050.

Adding to 342040420 its reverse (24040243), we get a palindrome (366080663).

The spelling of 342040420 in words is "three hundred forty-two million, forty thousand, four hundred twenty".