8040217269 has 36 divisors (see below), whose sum is σ = 13026162272. Its totient is φ = 4320393600.

The previous prime is 8040217267. The next prime is 8040217277. The reversal of 8040217269 is 9627120408.

It is not a de Polignac number, because 8040217269 - 2¹ = 8040217267 is a prime.

It is a super-2 number, since 2×8040217269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040217267) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6984844 + ... + 6985994.

Almost surely, 2^8040217269 is an apocalyptic number.

It is an amenable number.

8040217269 is a deficient number, since it is larger than the sum of its proper divisors (4985945003).

8040217269 is an equidigital number, since it uses as much as digits as its factorization.

8040217269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 8040217269 is about 89667.2586232009. The cubic root of 8040217269 is about 2003.3458386439.

Multiplying 8040217269 by its product of nonzero digits (48384), we get a square (389017872343296 = 19723536²).

The spelling of 8040217269 in words is "eight billion, forty million, two hundred seventeen thousand, two hundred sixty-nine".