1797960353280 has 640 divisors, whose sum is σ = 7143250802688. Its totient is φ = 375651827712.

The previous prime is 1797960353269. The next prime is 1797960353309. The reversal of 1797960353280 is 823530697971.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×1797960353280² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 71972152 + ... + 71997128.

Almost surely, 2^{1797960353280} is an apocalyptic number.

1797960353280 is a gapful number since it is divisible by the number (10) 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 1797960353280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571625401344).

1797960353280 is an abundant number, since it is smaller than the sum of its proper divisors (5345290449408).

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

1797960353280 is a wasteful number, since it uses less digits than its factorization.

1797960353280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25126 (or 25110 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 1797960353280 in words is "one trillion, seven hundred ninety-seven billion, nine hundred sixty million, three hundred fifty-three thousand, two hundred eighty".