40120440203 has 2 divisors, whose sum is σ = 40120440204. Its totient is φ = 40120440202.

The previous prime is 40120440133. The next prime is 40120440221. The reversal of 40120440203 is 30204402104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40120440203 - 2²⁴ = 40103662987 is a prime.

It is not a weakly prime, because it can be changed into another prime (40122440203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060220101 + 20060220102.

It is an arithmetic number, because the mean of its divisors is an integer number (20060220102).

Almost surely, 2^40120440203 is an apocalyptic number.

40120440203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40120440203 is an equidigital number, since it uses as much as digits as its factorization.

40120440203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40120440203 its reverse (30204402104), we get a palindrome (70324842307).

The spelling of 40120440203 in words is "forty billion, one hundred twenty million, four hundred forty thousand, two hundred three".