40676661 has 10 divisors (see below), whose sum is σ = 60764022. Its totient is φ = 27117720.

The previous prime is 40676621. The next prime is 40676677. The reversal of 40676661 is 16667604.

It can be written as a sum of positive squares in only one way, i.e., 31640625 + 9036036 = 5625^2 + 3006^2 .

It is not a de Polignac number, because 40676661 - 2⁹ = 40676149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40676611) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 251010 + ... + 251171.

Almost surely, 2^40676661 is an apocalyptic number.

It is an amenable number.

40676661 is a deficient number, since it is larger than the sum of its proper divisors (20087361).

40676661 is an equidigital number, since it uses as much as digits as its factorization.

40676661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502193 (or 502184 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 40676661 is about 6377.8257266877. The cubic root of 40676661 is about 343.9128728553.

The spelling of 40676661 in words is "forty million, six hundred seventy-six thousand, six hundred sixty-one".