342111240 has 144 divisors (see below), whose sum is σ = 1134565380. Its totient is φ = 89395200.

The previous prime is 342111239. The next prime is 342111293. The reversal of 342111240 is 42111243.

342111240 is a `hidden beast` number, since 3 + 421 + 1 + 1 + 240 = 666.

342111240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 228432996 + 113678244 = 15114^2 + 10662^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3387190 + ... + 3387290.

Almost surely, 2^342111240 is an apocalyptic number.

342111240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342111240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567282690).

342111240 is an abundant number, since it is smaller than the sum of its proper divisors (792454140).

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

342111240 is a wasteful number, since it uses less digits than its factorization.

342111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 342111240 is about 18496.2493495303. The cubic root of 342111240 is about 699.3948784082.

Adding to 342111240 its reverse (42111243), we get a palindrome (384222483).

The spelling of 342111240 in words is "three hundred forty-two million, one hundred eleven thousand, two hundred forty".