40003450427 has 2 divisors, whose sum is σ = 40003450428. Its totient is φ = 40003450426.

The previous prime is 40003450381. The next prime is 40003450451. The reversal of 40003450427 is 72405430004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40003450427 - 2¹⁸ = 40003188283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40003450427.

It is not a weakly prime, because it can be changed into another prime (40003450457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001725213 + 20001725214.

It is an arithmetic number, because the mean of its divisors is an integer number (20001725214).

Almost surely, 2^40003450427 is an apocalyptic number.

40003450427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003450427 is an equidigital number, since it uses as much as digits as its factorization.

40003450427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 40003450427 in words is "forty billion, three million, four hundred fifty thousand, four hundred twenty-seven".