342240221541 has 16 divisors (see below), whose sum is σ = 480355012800. Its totient is φ = 216143682048.

The previous prime is 342240221497. The next prime is 342240221569. The reversal of 342240221541 is 145122042243.

It is a happy number.

It is not a de Polignac number, because 342240221541 - 2¹¹ = 342240219493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342240221499 and 342240221508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342240220541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686805 + ... + 1878773.

It is an arithmetic number, because the mean of its divisors is an integer number (30022188300).

Almost surely, 2^342240221541 is an apocalyptic number.

It is an amenable number.

342240221541 is a deficient number, since it is larger than the sum of its proper divisors (138114791259).

342240221541 is a wasteful number, since it uses less digits than its factorization.

342240221541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223268.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 342240221541 its reverse (145122042243), we get a palindrome (487362263784).

The spelling of 342240221541 in words is "three hundred forty-two billion, two hundred forty million, two hundred twenty-one thousand, five hundred forty-one".