40323369 has 16 divisors (see below), whose sum is σ = 55857600. Its totient is φ = 25843776.

The previous prime is 40323331. The next prime is 40323421. The reversal of 40323369 is 96332304.

It is not a de Polignac number, because 40323369 - 2¹⁷ = 40192297 is a prime.

It is a super-2 number, since 2×40323369² = 3251948175020322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40323329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22542 + ... + 24264.

It is an arithmetic number, because the mean of its divisors is an integer number (3491100).

Almost surely, 2^40323369 is an apocalyptic number.

It is an amenable number.

40323369 is a deficient number, since it is larger than the sum of its proper divisors (15534231).

40323369 is a wasteful number, since it uses less digits than its factorization.

40323369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 40323369 is about 6350.0684248282. The cubic root of 40323369 is about 342.9143056724.

The spelling of 40323369 in words is "forty million, three hundred twenty-three thousand, three hundred sixty-nine".