64202066464242 has 64 divisors (see below), whose sum is σ = 149412704716800. Its totient is φ = 18011048188800.

The previous prime is 64202066464219. The next prime is 64202066464247. The reversal of 64202066464242 is 24246466020246.

It is a junction number, because it is equal to n+sod(n) for n = 64202066464191 and 64202066464200.

It is not an unprimeable number, because it can be changed into a prime (64202066464247) 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, 13361259 + ... + 17519342.

It is an arithmetic number, because the mean of its divisors is an integer number (2334573511200).

Almost surely, 2^{64202066464242} is an apocalyptic number.

64202066464242 is an abundant number, since it is smaller than the sum of its proper divisors (85210638252558).

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

64202066464242 is a wasteful number, since it uses less digits than its factorization.

64202066464242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30881511.

The product of its (nonzero) digits is 5308416, while the sum is 48.

The spelling of 64202066464242 in words is "sixty-four trillion, two hundred two billion, sixty-six million, four hundred sixty-four thousand, two hundred forty-two".