40844556811 has 2 divisors, whose sum is σ = 40844556812. Its totient is φ = 40844556810.

The previous prime is 40844556763. The next prime is 40844556827. The reversal of 40844556811 is 11865544804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40844556811 - 2¹¹ = 40844554763 is a prime.

It is not a weakly prime, because it can be changed into another prime (40844556211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20422278405 + 20422278406.

It is an arithmetic number, because the mean of its divisors is an integer number (20422278406).

Almost surely, 2^40844556811 is an apocalyptic number.

40844556811 is a deficient number, since it is larger than the sum of its proper divisors (1).

40844556811 is an equidigital number, since it uses as much as digits as its factorization.

40844556811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 40844556811 in words is "forty billion, eight hundred forty-four million, five hundred fifty-six thousand, eight hundred eleven".