40425417 has 12 divisors (see below), whose sum is σ = 58556160. Its totient is φ = 26874648.

The previous prime is 40425409. The next prime is 40425419. The reversal of 40425417 is 71452404.

40425417 is a `hidden beast` number, since 404 + 254 + 1 + 7 = 666.

It is not a de Polignac number, because 40425417 - 2³ = 40425409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40425419) 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, 2817 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (4879680).

Almost surely, 2^40425417 is an apocalyptic number.

It is an amenable number.

40425417 is a deficient number, since it is larger than the sum of its proper divisors (18130743).

40425417 is a wasteful number, since it uses less digits than its factorization.

40425417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12612 (or 12609 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 40425417 is about 6358.0985365123. The cubic root of 40425417 is about 343.2033377428.

The spelling of 40425417 in words is "forty million, four hundred twenty-five thousand, four hundred seventeen".