40468369 has 8 divisors (see below), whose sum is σ = 41947560. Its totient is φ = 38994816.

The previous prime is 40468357. The next prime is 40468387. The reversal of 40468369 is 96386404.

It can be written as a sum of positive squares in 4 ways, for example, as 18769 + 40449600 = 137^2 + 6360^2 .

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 40468369 - 2⁹ = 40467857 is a prime.

It is a super-2 number, since 2×40468369² = 3275377779040322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40468399) 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, 17869 + ... + 20005.

It is an arithmetic number, because the mean of its divisors is an integer number (5243445).

Almost surely, 2^40468369 is an apocalyptic number.

It is an amenable number.

40468369 is a deficient number, since it is larger than the sum of its proper divisors (1479191).

40468369 is a wasteful number, since it uses less digits than its factorization.

40468369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40468369 is about 6361.4753791868. The cubic root of 40468369 is about 343.3248458852.

The spelling of 40468369 in words is "forty million, four hundred sixty-eight thousand, three hundred sixty-nine".