342540644556 has 192 divisors, whose sum is σ = 909650165760. Its totient is φ = 99373344000.

The previous prime is 342540644549. The next prime is 342540644557. The reversal of 342540644556 is 655446045243.

It is not an unprimeable number, because it can be changed into a prime (342540644557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 315124245 + ... + 315125331.

It is an arithmetic number, because the mean of its divisors is an integer number (4737761280).

Almost surely, 2^342540644556 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 342540644556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454825082880).

342540644556 is an abundant number, since it is smaller than the sum of its proper divisors (567109521204).

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

342540644556 is a wasteful number, since it uses less digits than its factorization.

342540644556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

Adding to 342540644556 its reverse (655446045243), we get a palindrome (997986689799).

The spelling of 342540644556 in words is "three hundred forty-two billion, five hundred forty million, six hundred forty-four thousand, five hundred fifty-six".