40666130 has 8 divisors (see below), whose sum is σ = 73199052. Its totient is φ = 16266448.

The previous prime is 40666117. The next prime is 40666133. The reversal of 40666130 is 3166604.

It is a Cunningham number, because it is equal to 6377²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 40666129 + 1 = 6377^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40666130.

It is not an unprimeable number, because it can be changed into a prime (40666133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033297 + ... + 2033316.

Almost surely, 2^40666130 is an apocalyptic number.

40666130 is a deficient number, since it is larger than the sum of its proper divisors (32532922).

40666130 is a wasteful number, since it uses less digits than its factorization.

40666130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066620.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40666130 is about 6377.0000784068. Note that the first 4 decimals coincide. The cubic root of 40666130 is about 343.8831911412.

The spelling of 40666130 in words is "forty million, six hundred sixty-six thousand, one hundred thirty".