40203356827 has 2 divisors, whose sum is σ = 40203356828. Its totient is φ = 40203356826.

The previous prime is 40203356813. The next prime is 40203356867. The reversal of 40203356827 is 72865330204.

40203356827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (40203356867) can be obtained adding 40203356827 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40203356827 is a prime.

It is a super-3 number, since 3×40203356827³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40203356827.

It is not a weakly prime, because it can be changed into another prime (40203356867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20101678413 + 20101678414.

It is an arithmetic number, because the mean of its divisors is an integer number (20101678414).

Almost surely, 2^40203356827 is an apocalyptic number.

40203356827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40203356827 is an equidigital number, since it uses as much as digits as its factorization.

40203356827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 40203356827 in words is "forty billion, two hundred three million, three hundred fifty-six thousand, eight hundred twenty-seven".