655340025760000 has 720 divisors, whose sum is σ = 2018406883046400. Its totient is φ = 211470766080000.

The previous prime is 655340025759787. The next prime is 655340025760031. The reversal of 655340025760000 is 67520043556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 932608785 + ... + 933311215.

It is an arithmetic number, because the mean of its divisors is an integer number (2803342893120).

Almost surely, 2^{655340025760000} 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 655340025760000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009203441523200).

655340025760000 is an abundant number, since it is smaller than the sum of its proper divisors (1363066857286400).

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

655340025760000 is an frugal number, since it uses more digits than its factorization.

655340025760000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702505 (or 702462 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 655340025760000 in words is "six hundred fifty-five trillion, three hundred forty billion, twenty-five million, seven hundred sixty thousand".