1808326840353 has 64 divisors (see below), whose sum is σ = 2660297230080. Its totient is φ = 1083543552000.

The previous prime is 1808326840349. The next prime is 1808326840423. The reversal of 1808326840353 is 3530486238081.

It is a happy number.

It is not a de Polignac number, because 1808326840353 - 2² = 1808326840349 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1808326840296 and 1808326840305.

It is not an unprimeable number, because it can be changed into a prime (1808326840253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1389950803 + ... + 1389952103.

It is an arithmetic number, because the mean of its divisors is an integer number (41567144220).

Almost surely, 2^{1808326840353} is an apocalyptic number.

It is an amenable number.

1808326840353 is a deficient number, since it is larger than the sum of its proper divisors (851970389727).

1808326840353 is a wasteful number, since it uses less digits than its factorization.

1808326840353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 1808326840353 in words is "one trillion, eight hundred eight billion, three hundred twenty-six million, eight hundred forty thousand, three hundred fifty-three".