65542322242140 has 24 divisors (see below), whose sum is σ = 183518502278160. Its totient is φ = 17477952597888.

The previous prime is 65542322242127. The next prime is 65542322242151. The reversal of 65542322242140 is 4124222324556.

65542322242140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65542322242092 and 65542322242101.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 546186018625 + ... + 546186018744.

It is an arithmetic number, because the mean of its divisors is an integer number (7646604261590).

Almost surely, 2^{65542322242140} is an apocalyptic number.

65542322242140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65542322242140 is an abundant number, since it is smaller than the sum of its proper divisors (117976180036020).

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

65542322242140 is a wasteful number, since it uses less digits than its factorization.

65542322242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092372037381 (or 1092372037379 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 65542322242140 its reverse (4124222324556), we get a palindrome (69666544566696).

The spelling of 65542322242140 in words is "sixty-five trillion, five hundred forty-two billion, three hundred twenty-two million, two hundred forty-two thousand, one hundred forty".