40869269 has 8 divisors (see below), whose sum is σ = 47348160. Its totient is φ = 34550496.

The previous prime is 40869259. The next prime is 40869277. The reversal of 40869269 is 96296804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40869269 - 2⁸ = 40869013 is a prime.

It is a super-2 number, since 2×40869269² = 3340594297188722, which 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 (40869259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39479 + ... + 40500.

It is an arithmetic number, because the mean of its divisors is an integer number (5918520).

Almost surely, 2^40869269 is an apocalyptic number.

It is an amenable number.

40869269 is a deficient number, since it is larger than the sum of its proper divisors (6478891).

40869269 is an equidigital number, since it uses as much as digits as its factorization.

40869269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80059.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 40869269 is about 6392.9077108934. The cubic root of 40869269 is about 344.4548387853.

The spelling of 40869269 in words is "forty million, eight hundred sixty-nine thousand, two hundred sixty-nine".