342122240 has 72 divisors (see below), whose sum is σ = 855193248. Its totient is φ = 130887680.

The previous prime is 342122203. The next prime is 342122243. The reversal of 342122240 is 42221243.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342122243) by changing a digit.

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, 23630 + ... + 35250.

It is an arithmetic number, because the mean of its divisors is an integer number (11877684).

Almost surely, 2^342122240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427596624).

342122240 is an abundant number, since it is smaller than the sum of its proper divisors (513071008).

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

342122240 is a wasteful number, since it uses less digits than its factorization.

342122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665 (or 11651 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 342122240 is about 18496.5467047230. The cubic root of 342122240 is about 699.4023742754.

Adding to 342122240 its reverse (42221243), we get a palindrome (384343483).

The spelling of 342122240 in words is "three hundred forty-two million, one hundred twenty-two thousand, two hundred forty".