40118677 has 2 divisors, whose sum is σ = 40118678. Its totient is φ = 40118676.

The previous prime is 40118641. The next prime is 40118707. The reversal of 40118677 is 77681104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36857041 + 3261636 = 6071^2 + 1806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40118677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40118077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20059338 + 20059339.

It is an arithmetic number, because the mean of its divisors is an integer number (20059339).

Almost surely, 2^40118677 is an apocalyptic number.

It is an amenable number.

40118677 is a deficient number, since it is larger than the sum of its proper divisors (1).

40118677 is an equidigital number, since it uses as much as digits as its factorization.

40118677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 40118677 is about 6333.9306121870. The cubic root of 40118677 is about 342.3330800822. Note that the first 3 decimals are identical.

The spelling of 40118677 in words is "forty million, one hundred eighteen thousand, six hundred seventy-seven".