342402320 has 40 divisors (see below), whose sum is σ = 857325336. Its totient is φ = 126425088.

The previous prime is 342402301. The next prime is 342402341. The reversal of 342402320 is 23204243.

It can be written as a sum of positive squares in 4 ways, for example, as 43665664 + 298736656 = 6608^2 + 17284^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 = 342402292 and 342402301.

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, 163577 + ... + 165656.

Almost surely, 2^342402320 is an apocalyptic number.

It is an amenable number.

342402320 is an abundant number, since it is smaller than the sum of its proper divisors (514923016).

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

342402320 is a wasteful number, since it uses less digits than its factorization.

342402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329259 (or 329253 counting only the distinct ones).

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

The square root of 342402320 is about 18504.1162988131. The cubic root of 342402320 is about 699.5931785780.

Adding to 342402320 its reverse (23204243), we get a palindrome (365606563).

The spelling of 342402320 in words is "three hundred forty-two million, four hundred two thousand, three hundred twenty".