8040346243 has 4 divisors (see below), whose sum is σ = 8042709600. Its totient is φ = 8037982888.

The previous prime is 8040346219. The next prime is 8040346267. The reversal of 8040346243 is 3426430408.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8040346219) and next prime (8040346267).

It is a cyclic number.

It is not a de Polignac number, because 8040346243 - 2²⁵ = 8006791811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8040346199 and 8040346208.

It is not an unprimeable number, because it can be changed into a prime (8040346043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176568 + ... + 1183381.

It is an arithmetic number, because the mean of its divisors is an integer number (2010677400).

Almost surely, 2^8040346243 is an apocalyptic number.

8040346243 is a deficient number, since it is larger than the sum of its proper divisors (2363357).

8040346243 is a wasteful number, since it uses less digits than its factorization.

8040346243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363356.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 8040346243 is about 89667.9778014426. The cubic root of 8040346243 is about 2003.3565505495.

The spelling of 8040346243 in words is "eight billion, forty million, three hundred forty-six thousand, two hundred forty-three".