64800722280000 has 840 divisors, whose sum is σ = 257265546472704. Its totient is φ = 14333760000000.

The previous prime is 64800722279989. The next prime is 64800722280011. The reversal of 64800722280000 is 8222700846.

It is an interprime number because it is at equal distance from previous prime (64800722279989) and next prime (64800722280011).

It is a tau number, because it is divible by the number of its divisors (840).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 182102250 + ... + 182457750.

Almost surely, 2^{64800722280000} is an apocalyptic number.

64800722280000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64800722280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128632773236352).

64800722280000 is an abundant number, since it is smaller than the sum of its proper divisors (192464824192704).

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

64800722280000 is a wasteful number, since it uses less digits than its factorization.

64800722280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355581 (or 355549 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

Adding to 64800722280000 its reverse (8222700846), we get a palindrome (64808944980846).

The spelling of 64800722280000 in words is "sixty-four trillion, eight hundred billion, seven hundred twenty-two million, two hundred eighty thousand".