342112140040 has 128 divisors (see below), whose sum is σ = 867293982720. Its totient is φ = 120374956800.

The previous prime is 342112140023. The next prime is 342112140047. The reversal of 342112140040 is 40041211243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 342112139993 and 342112140020.

It is not an unprimeable number, because it can be changed into a prime (342112140047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1939945 + ... + 2108935.

It is an arithmetic number, because the mean of its divisors is an integer number (6775734240).

Almost surely, 2^342112140040 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 342112140040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433646991360).

342112140040 is an abundant number, since it is smaller than the sum of its proper divisors (525181842680).

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

342112140040 is a wasteful number, since it uses less digits than its factorization.

342112140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169163 (or 169159 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 342112140040 its reverse (40041211243), we get a palindrome (382153351283).

The spelling of 342112140040 in words is "three hundred forty-two billion, one hundred twelve million, one hundred forty thousand, forty".