40042503203305 has 24 divisors (see below), whose sum is σ = 50719296843144. Its totient is φ = 30344299660800.

The previous prime is 40042503203291. The next prime is 40042503203389. The reversal of 40042503203305 is 50330230524004.

It can be written as a sum of positive squares in 4 ways, for example, as 20804691398656 + 19237811804649 = 4561216^2 + 4386093^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40042503203305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13489665 + ... + 16188145.

It is an arithmetic number, because the mean of its divisors is an integer number (2113304035131).

Almost surely, 2^{40042503203305} is an apocalyptic number.

It is an amenable number.

40042503203305 is a deficient number, since it is larger than the sum of its proper divisors (10676793639839).

40042503203305 is a wasteful number, since it uses less digits than its factorization.

40042503203305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706745 (or 2706726 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 40042503203305 its reverse (50330230524004), we get a palindrome (90372733727309).

The spelling of 40042503203305 in words is "forty trillion, forty-two billion, five hundred three million, two hundred three thousand, three hundred five".