40352253370013 has 4 divisors (see below), whose sum is σ = 43456272860028. Its totient is φ = 37248233880000.

The previous prime is 40352253369991. The next prime is 40352253370019. The reversal of 40352253370013 is 31007335225304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6400631822809 + 33951621547204 = 2529947^2 + 5826802^2 .

It is not a de Polignac number, because 40352253370013 - 2³⁰ = 40351179628189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40352253370019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552009744988 + ... + 1552009745013.

It is an arithmetic number, because the mean of its divisors is an integer number (10864068215007).

Almost surely, 2^{40352253370013} is an apocalyptic number.

It is an amenable number.

40352253370013 is a deficient number, since it is larger than the sum of its proper divisors (3104019490015).

40352253370013 is a wasteful number, since it uses less digits than its factorization.

40352253370013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104019490014.

The product of its (nonzero) digits is 226800, while the sum is 38.

Adding to 40352253370013 its reverse (31007335225304), we get a palindrome (71359588595317).

The spelling of 40352253370013 in words is "forty trillion, three hundred fifty-two billion, two hundred fifty-three million, three hundred seventy thousand, thirteen".