40855676401 has 2 divisors, whose sum is σ = 40855676402. Its totient is φ = 40855676400.

The previous prime is 40855676363. The next prime is 40855676413. The reversal of 40855676401 is 10467655804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24094490176 + 16761186225 = 155224^2 + 129465^2 .

It is a cyclic number.

It is not a de Polignac number, because 40855676401 - 2¹³ = 40855668209 is a prime.

It is not a weakly prime, because it can be changed into another prime (40855676101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20427838200 + 20427838201.

It is an arithmetic number, because the mean of its divisors is an integer number (20427838201).

Almost surely, 2^40855676401 is an apocalyptic number.

It is an amenable number.

40855676401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40855676401 is an equidigital number, since it uses as much as digits as its factorization.

40855676401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 40855676401 in words is "forty billion, eight hundred fifty-five million, six hundred seventy-six thousand, four hundred one".