40317069 has 16 divisors (see below), whose sum is σ = 60939200. Its totient is φ = 23504256.

The previous prime is 40317061. The next prime is 40317071. The reversal of 40317069 is 96071304.

It is a happy number.

It is not a de Polignac number, because 40317069 - 2³ = 40317061 is a prime.

It is a super-2 number, since 2×40317069² = 3250932105501522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40317061) 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, 26464 + ... + 27945.

It is an arithmetic number, because the mean of its divisors is an integer number (3808700).

Almost surely, 2^40317069 is an apocalyptic number.

It is an amenable number.

40317069 is a deficient number, since it is larger than the sum of its proper divisors (20622131).

40317069 is a wasteful number, since it uses less digits than its factorization.

40317069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54444.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 40317069 is about 6349.5723478042. The cubic root of 40317069 is about 342.8964461144.

The spelling of 40317069 in words is "forty million, three hundred seventeen thousand, sixty-nine".