40026727054409 has 2 divisors, whose sum is σ = 40026727054410. Its totient is φ = 40026727054408.

The previous prime is 40026727054387. The next prime is 40026727054427. The reversal of 40026727054409 is 90445072762004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37318964655625 + 2707762398784 = 6108925^2 + 1645528^2 .

It is a cyclic number.

It is not a de Polignac number, because 40026727054409 - 2¹² = 40026727050313 is a prime.

It is not a weakly prime, because it can be changed into another prime (40026727059409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20013363527204 + 20013363527205.

It is an arithmetic number, because the mean of its divisors is an integer number (20013363527205).

Almost surely, 2^{40026727054409} is an apocalyptic number.

It is an amenable number.

40026727054409 is a deficient number, since it is larger than the sum of its proper divisors (1).

40026727054409 is an equidigital number, since it uses as much as digits as its factorization.

40026727054409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 40026727054409 in words is "forty trillion, twenty-six billion, seven hundred twenty-seven million, fifty-four thousand, four hundred nine".