40502248455853 has 2 divisors, whose sum is σ = 40502248455854. Its totient is φ = 40502248455852.

The previous prime is 40502248455787. The next prime is 40502248455859. The reversal of 40502248455853 is 35855484220504.

It is a happy number.

40502248455853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38444922957609 + 2057325498244 = 6200397^2 + 1434338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40502248455853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40502248455794 and 40502248455803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40502248455859) 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, 20251124227926 + 20251124227927.

It is an arithmetic number, because the mean of its divisors is an integer number (20251124227927).

Almost surely, 2^{40502248455853} is an apocalyptic number.

It is an amenable number.

40502248455853 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502248455853 is an equidigital number, since it uses as much as digits as its factorization.

40502248455853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720000, while the sum is 55.

The spelling of 40502248455853 in words is "forty trillion, five hundred two billion, two hundred forty-eight million, four hundred fifty-five thousand, eight hundred fifty-three".