40140326 has 8 divisors (see below), whose sum is σ = 60516720. Its totient is φ = 19968088.

The previous prime is 40140307. The next prime is 40140337. The reversal of 40140326 is 62304104.

It is a happy number.

40140326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×40140326² = 3222491542772552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40140298 and 40140307.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50546 + ... + 51333.

It is an arithmetic number, because the mean of its divisors is an integer number (7564590).

Almost surely, 2^40140326 is an apocalyptic number.

40140326 is a deficient number, since it is larger than the sum of its proper divisors (20376394).

40140326 is a wasteful number, since it uses less digits than its factorization.

40140326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102078.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40140326 is about 6335.6393521096. The cubic root of 40140326 is about 342.3946460553.

The spelling of 40140326 in words is "forty million, one hundred forty thousand, three hundred twenty-six".