17897353793340 has 192 divisors, whose sum is σ = 58148481097728. Its totient is φ = 4028324025600.

The previous prime is 17897353793339. The next prime is 17897353793399. The reversal of 17897353793340 is 4339735379871.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24298275 + ... + 25024005.

It is an arithmetic number, because the mean of its divisors is an integer number (302856672384).

Almost surely, 2^{17897353793340} is an apocalyptic number.

17897353793340 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 17897353793340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29074240548864).

17897353793340 is an abundant number, since it is smaller than the sum of its proper divisors (40251127304388).

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

17897353793340 is a wasteful number, since it uses less digits than its factorization.

17897353793340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726648 (or 726646 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 69.

The spelling of 17897353793340 in words is "seventeen trillion, eight hundred ninety-seven billion, three hundred fifty-three million, seven hundred ninety-three thousand, three hundred forty".