40234443203 has 4 divisors (see below), whose sum is σ = 41215771128. Its totient is φ = 39253115280.

The previous prime is 40234443181. The next prime is 40234443209. The reversal of 40234443203 is 30234443204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40234443203 - 2³⁰ = 39160701379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40234443209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490663901 + ... + 490663982.

It is an arithmetic number, because the mean of its divisors is an integer number (10303942782).

Almost surely, 2^40234443203 is an apocalyptic number.

40234443203 is a deficient number, since it is larger than the sum of its proper divisors (981327925).

40234443203 is an equidigital number, since it uses as much as digits as its factorization.

40234443203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981327924.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 40234443203 its reverse (30234443204), we get a palindrome (70468886407).

Subtracting from 40234443203 its reverse (30234443204), we obtain a palindrome (9999999999).

The spelling of 40234443203 in words is "forty billion, two hundred thirty-four million, four hundred forty-three thousand, two hundred three".