40608369 has 12 divisors (see below), whose sum is σ = 58830096. Its totient is φ = 26992152.

The previous prime is 40608361. The next prime is 40608391. The reversal of 40608369 is 96380604.

40608369 is a `hidden beast` number, since 40 + 608 + 3 + 6 + 9 = 666.

40608369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40608369 - 2³ = 40608361 is a prime.

It is a super-2 number, since 2×40608369² = 3298079265680322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40608361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3379 + ... + 9624.

It is an arithmetic number, because the mean of its divisors is an integer number (4902508).

Almost surely, 2^40608369 is an apocalyptic number.

It is an amenable number.

40608369 is a deficient number, since it is larger than the sum of its proper divisors (18221727).

40608369 is a wasteful number, since it uses less digits than its factorization.

40608369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13356 (or 13353 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 40608369 is about 6372.4696154631. The cubic root of 40608369 is about 343.7203000676.

The spelling of 40608369 in words is "forty million, six hundred eight thousand, three hundred sixty-nine".