40401317 has 24 divisors (see below), whose sum is σ = 47301408. Its totient is φ = 34205600.

The previous prime is 40401301. The next prime is 40401349. The reversal of 40401317 is 71310404.

40401317 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 40401317 - 2⁴ = 40401301 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401377) 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 23 ways as a sum of consecutive naturals, for example, 308342 + ... + 308472.

It is an arithmetic number, because the mean of its divisors is an integer number (1970892).

Almost surely, 2^40401317 is an apocalyptic number.

It is an amenable number.

40401317 is a deficient number, since it is larger than the sum of its proper divisors (6900091).

40401317 is a wasteful number, since it uses less digits than its factorization.

40401317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40401317 is about 6356.2030332581. The cubic root of 40401317 is about 343.1351228651.

The spelling of 40401317 in words is "forty million, four hundred one thousand, three hundred seventeen".