339966021760 has 128 divisors (see below), whose sum is σ = 861587798400. Its totient is φ = 127831228416.

The previous prime is 339966021751. The next prime is 339966021793. The reversal of 339966021760 is 67120669933.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 339966021698 and 339966021707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9109699 + ... + 9146941.

It is an arithmetic number, because the mean of its divisors is an integer number (6731154675).

Almost surely, 2^339966021760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 339966021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430793899200).

339966021760 is an abundant number, since it is smaller than the sum of its proper divisors (521621776640).

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

339966021760 is a wasteful number, since it uses less digits than its factorization.

339966021760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38118 (or 38106 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 339966021760 in words is "three hundred thirty-nine billion, nine hundred sixty-six million, twenty-one thousand, seven hundred sixty".