40253441405 has 8 divisors (see below), whose sum is σ = 48456510552. Its totient is φ = 32101165888.

The previous prime is 40253441369. The next prime is 40253441453. The reversal of 40253441405 is 50414435204.

It can be written as a sum of positive squares in 4 ways, for example, as 44368921 + 40209072484 = 6661^2 + 200522^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40253441405 - 2⁸ = 40253441149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12696662 + ... + 12699831.

It is an arithmetic number, because the mean of its divisors is an integer number (6057063819).

Almost surely, 2^40253441405 is an apocalyptic number.

It is an amenable number.

40253441405 is a deficient number, since it is larger than the sum of its proper divisors (8203069147).

40253441405 is a wasteful number, since it uses less digits than its factorization.

40253441405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25396815.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 40253441405 its reverse (50414435204), we get a palindrome (90667876609).

The spelling of 40253441405 in words is "forty billion, two hundred fifty-three million, four hundred forty-one thousand, four hundred five".