2041809768340 has 24 divisors (see below), whose sum is σ = 4293180472392. Its totient is φ = 815699153280.

The previous prime is 2041809768259. The next prime is 2041809768379. The reversal of 2041809768340 is 438679081402.

It can be written as a sum of positive squares in 4 ways, for example, as 186515151876 + 1855294616464 = 431874^2 + 1362092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64030791 + ... + 64062670.

It is an arithmetic number, because the mean of its divisors is an integer number (178882519683).

Almost surely, 2^{2041809768340} is an apocalyptic number.

2041809768340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041809768340 is an abundant number, since it is smaller than the sum of its proper divisors (2251370704052).

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

2041809768340 is a wasteful number, since it uses less digits than its factorization.

2041809768340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128094267 (or 128094265 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2041809768340 in words is "two trillion, forty-one billion, eight hundred nine million, seven hundred sixty-eight thousand, three hundred forty".