40518741827 has 2 divisors, whose sum is σ = 40518741828. Its totient is φ = 40518741826.

The previous prime is 40518741671. The next prime is 40518741853. The reversal of 40518741827 is 72814781504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40518741827 - 2¹² = 40518737731 is a prime.

It is not a weakly prime, because it can be changed into another prime (40518741227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20259370913 + 20259370914.

It is an arithmetic number, because the mean of its divisors is an integer number (20259370914).

Almost surely, 2^40518741827 is an apocalyptic number.

40518741827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40518741827 is an equidigital number, since it uses as much as digits as its factorization.

40518741827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 40518741827 in words is "forty billion, five hundred eighteen million, seven hundred forty-one thousand, eight hundred twenty-seven".