40334111977 has 2 divisors, whose sum is σ = 40334111978. Its totient is φ = 40334111976.

The previous prime is 40334111971. The next prime is 40334112023. The reversal of 40334111977 is 77911143304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26357197801 + 13976914176 = 162349^2 + 118224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40334111977 is a prime.

It is not a weakly prime, because it can be changed into another prime (40334111971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20167055988 + 20167055989.

It is an arithmetic number, because the mean of its divisors is an integer number (20167055989).

Almost surely, 2^40334111977 is an apocalyptic number.

It is an amenable number.

40334111977 is a deficient number, since it is larger than the sum of its proper divisors (1).

40334111977 is an equidigital number, since it uses as much as digits as its factorization.

40334111977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 40334111977 in words is "forty billion, three hundred thirty-four million, one hundred eleven thousand, nine hundred seventy-seven".