1768341447340 has 72 divisors (see below), whose sum is σ = 4030104909600. Its totient is φ = 651471335424.

The previous prime is 1768341447337. The next prime is 1768341447349. The reversal of 1768341447340 is 437441438671.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (1768341447349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935017 + ... + 2100223.

It is an arithmetic number, because the mean of its divisors is an integer number (55973679300).

Almost surely, 2^{1768341447340} is an apocalyptic number.

1768341447340 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 1768341447340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015052454800).

1768341447340 is an abundant number, since it is smaller than the sum of its proper divisors (2261763462260).

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

1768341447340 is a wasteful number, since it uses less digits than its factorization.

1768341447340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165691 (or 1165676 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 1768341447340 in words is "one trillion, seven hundred sixty-eight billion, three hundred forty-one million, four hundred forty-seven thousand, three hundred forty".