40253243405 has 8 divisors (see below), whose sum is σ = 48305875200. Its totient is φ = 32201272656.

The previous prime is 40253243369. The next prime is 40253243419. The reversal of 40253243405 is 50434235204.

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 40253243405 - 2¹⁸ = 40252981261 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19625 + ... + 284414.

It is an arithmetic number, because the mean of its divisors is an integer number (6038234400).

Almost surely, 2^40253243405 is an apocalyptic number.

It is an amenable number.

40253243405 is a deficient number, since it is larger than the sum of its proper divisors (8052631795).

40253243405 is a wasteful number, since it uses less digits than its factorization.

40253243405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330523.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 40253243405 its reverse (50434235204), we get a palindrome (90687478609).

The spelling of 40253243405 in words is "forty billion, two hundred fifty-three million, two hundred forty-three thousand, four hundred five".