40305040255 has 8 divisors (see below), whose sum is σ = 49087930032. Its totient is φ = 31762777728.

The previous prime is 40305040249. The next prime is 40305040273. The reversal of 40305040255 is 55204050304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40305040255 is a prime.

It is a Duffinian 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, 60156442 + ... + 60157111.

It is an arithmetic number, because the mean of its divisors is an integer number (6135991254).

Almost surely, 2^40305040255 is an apocalyptic number.

40305040255 is a deficient number, since it is larger than the sum of its proper divisors (8782889777).

40305040255 is a wasteful number, since it uses less digits than its factorization.

40305040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120313625.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 40305040255 its reverse (55204050304), we get a palindrome (95509090559).

The spelling of 40305040255 in words is "forty billion, three hundred five million, forty thousand, two hundred fifty-five".