40208868701 has 2 divisors, whose sum is σ = 40208868702. Its totient is φ = 40208868700.

The previous prime is 40208868631. The next prime is 40208868719. The reversal of 40208868701 is 10786880204.

40208868701 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., 36366108601 + 3842760100 = 190699^2 + 61990^2 .

It is a cyclic number.

It is not a de Polignac number, because 40208868701 - 2¹⁴ = 40208852317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40208868751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20104434350 + 20104434351.

It is an arithmetic number, because the mean of its divisors is an integer number (20104434351).

Almost surely, 2^40208868701 is an apocalyptic number.

It is an amenable number.

40208868701 is a deficient number, since it is larger than the sum of its proper divisors (1).

40208868701 is an equidigital number, since it uses as much as digits as its factorization.

40208868701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 40208868701 in words is "forty billion, two hundred eight million, eight hundred sixty-eight thousand, seven hundred one".