1943280040308 has 12 divisors (see below), whose sum is σ = 4534320094080. Its totient is φ = 647760013432.

The previous prime is 1943280040237. The next prime is 1943280040313. The reversal of 1943280040308 is 8030400823491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1943280040308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80970001668 + ... + 80970001691.

It is an arithmetic number, because the mean of its divisors is an integer number (377860007840).

Almost surely, 2^{1943280040308} is an apocalyptic number.

It is an amenable number.

1943280040308 is an abundant number, since it is smaller than the sum of its proper divisors (2591040053772).

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

1943280040308 is a wasteful number, since it uses less digits than its factorization.

1943280040308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161940003366 (or 161940003364 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

Adding to 1943280040308 its reverse (8030400823491), we get a palindrome (9973680863799).

The spelling of 1943280040308 in words is "one trillion, nine hundred forty-three billion, two hundred eighty million, forty thousand, three hundred eight".