40677064427 has 2 divisors, whose sum is σ = 40677064428. Its totient is φ = 40677064426.

The previous prime is 40677064343. The next prime is 40677064429. The reversal of 40677064427 is 72446077604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40677064427 - 2¹⁰ = 40677063403 is a prime.

Together with 40677064429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40677064429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20338532213 + 20338532214.

It is an arithmetic number, because the mean of its divisors is an integer number (20338532214).

Almost surely, 2^40677064427 is an apocalyptic number.

40677064427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40677064427 is an equidigital number, since it uses as much as digits as its factorization.

40677064427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 40677064427 in words is "forty billion, six hundred seventy-seven million, sixty-four thousand, four hundred twenty-seven".