64200440523342 has 8 divisors (see below), whose sum is σ = 128400881046696. Its totient is φ = 21400146841112.

The previous prime is 64200440523301. The next prime is 64200440523379. The reversal of 64200440523342 is 24332504400246.

It is a sphenic number, since it is the product of 3 distinct primes.

64200440523342 is an admirable number.

It is a super-2 number, since 2×64200440523342² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64200440523342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350036710273 + ... + 5350036710284.

It is an arithmetic number, because the mean of its divisors is an integer number (16050110130837).

Almost surely, 2^{64200440523342} is an apocalyptic number.

64200440523342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64200440523342 is a wasteful number, since it uses less digits than its factorization.

64200440523342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700073420562.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 64200440523342 its reverse (24332504400246), we get a palindrome (88532944923588).

The spelling of 64200440523342 in words is "sixty-four trillion, two hundred billion, four hundred forty million, five hundred twenty-three thousand, three hundred forty-two".