40517667 has 6 divisors (see below), whose sum is σ = 58525532. Its totient is φ = 27011772.

The previous prime is 40517663. The next prime is 40517677. The reversal of 40517667 is 76671504.

It is not a de Polignac number, because 40517667 - 2² = 40517663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40517663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2250973 + ... + 2250990.

Almost surely, 2^40517667 is an apocalyptic number.

40517667 is a deficient number, since it is larger than the sum of its proper divisors (18007865).

40517667 is a wasteful number, since it uses less digits than its factorization.

40517667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501969 (or 4501966 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40517667 is about 6365.3489299488. The cubic root of 40517667 is about 343.4642004859.

The spelling of 40517667 in words is "forty million, five hundred seventeen thousand, six hundred sixty-seven".