342211340 has 36 divisors (see below), whose sum is σ = 724481856. Its totient is φ = 135778752.

The previous prime is 342211321. The next prime is 342211349. The reversal of 342211340 is 43112243.

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

It is not an unprimeable number, because it can be changed into a prime (342211349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1235282 + ... + 1235558.

It is an arithmetic number, because the mean of its divisors is an integer number (20124496).

Almost surely, 2^342211340 is an apocalyptic number.

It is an amenable number.

342211340 is an abundant number, since it is smaller than the sum of its proper divisors (382270516).

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

342211340 is a wasteful number, since it uses less digits than its factorization.

342211340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 342211340 is about 18498.9551056269. The cubic root of 342211340 is about 699.4630848784.

Adding to 342211340 its reverse (43112243), we get a palindrome (385323583).

The spelling of 342211340 in words is "three hundred forty-two million, two hundred eleven thousand, three hundred forty".