40303003903 has 2 divisors, whose sum is σ = 40303003904. Its totient is φ = 40303003902.

The previous prime is 40303003883. The next prime is 40303003919. The reversal of 40303003903 is 30930030304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40303003903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40303003973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151501951 + 20151501952.

It is an arithmetic number, because the mean of its divisors is an integer number (20151501952).

Almost surely, 2^40303003903 is an apocalyptic number.

40303003903 is a deficient number, since it is larger than the sum of its proper divisors (1).

40303003903 is an equidigital number, since it uses as much as digits as its factorization.

40303003903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

The spelling of 40303003903 in words is "forty billion, three hundred three million, three thousand, nine hundred three".