40054617 has 12 divisors (see below), whose sum is σ = 57952804. Its totient is φ = 26658720.

The previous prime is 40054607. The next prime is 40054621. The reversal of 40054617 is 71645004.

40054617 is a `hidden beast` number, since 40 + 0 + 5 + 4 + 617 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 2893401 = 6096^2 + 1701^2 .

It is not a de Polignac number, because 40054617 - 2¹⁰ = 40053593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40054607) 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, 2583 + ... + 9315.

Almost surely, 2^40054617 is an apocalyptic number.

It is an amenable number.

40054617 is a deficient number, since it is larger than the sum of its proper divisors (17898187).

40054617 is a wasteful number, since it uses less digits than its factorization.

40054617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7397 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40054617 is about 6328.8717003902. The cubic root of 40054617 is about 342.1507748038.

The spelling of 40054617 in words is "forty million, fifty-four thousand, six hundred seventeen".