40205154651283 has 2 divisors, whose sum is σ = 40205154651284. Its totient is φ = 40205154651282.

The previous prime is 40205154651281. The next prime is 40205154651317. The reversal of 40205154651283 is 38215645150204.

It is a happy number.

40205154651283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40205154651283 - 2¹ = 40205154651281 is a prime.

Together with 40205154651281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40205154651281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102577325641 + 20102577325642.

It is an arithmetic number, because the mean of its divisors is an integer number (20102577325642).

Almost surely, 2^{40205154651283} is an apocalyptic number.

40205154651283 is a deficient number, since it is larger than the sum of its proper divisors (1).

40205154651283 is an equidigital number, since it uses as much as digits as its factorization.

40205154651283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 40205154651283 in words is "forty trillion, two hundred five billion, one hundred fifty-four million, six hundred fifty-one thousand, two hundred eighty-three".