40031017 has 12 divisors (see below), whose sum is σ = 45073924. Its totient is φ = 35339040.

The previous prime is 40031011. The next prime is 40031021. The reversal of 40031017 is 71013004.

It can be written as a sum of positive squares in 2 ways, for example, as 20529961 + 19501056 = 4531^2 + 4416^2 .

It is not a de Polignac number, because 40031017 - 2³ = 40031009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40031011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3967 + ... + 9787.

Almost surely, 2^40031017 is an apocalyptic number.

It is an amenable number.

40031017 is a deficient number, since it is larger than the sum of its proper divisors (5042907).

40031017 is a wasteful number, since it uses less digits than its factorization.

40031017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 40031017 is about 6327.0069543189. The cubic root of 40031017 is about 342.0835637033.

The spelling of 40031017 in words is "forty million, thirty-one thousand, seventeen".