505363040257 has 8 divisors (see below), whose sum is σ = 522798042240. Its totient is φ = 487928617680.

The previous prime is 505363040243. The next prime is 505363040261. The reversal of 505363040257 is 752040363505.

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 505363040257 - 2⁷ = 505363040129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505363040657) by changing a digit.

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, 2369832 + ... + 2574262.

It is an arithmetic number, because the mean of its divisors is an integer number (65349755280).

Almost surely, 2^505363040257 is an apocalyptic number.

It is an amenable number.

505363040257 is a deficient number, since it is larger than the sum of its proper divisors (17435001983).

505363040257 is a wasteful number, since it uses less digits than its factorization.

505363040257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289703.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 505363040257 in words is "five hundred five billion, three hundred sixty-three million, forty thousand, two hundred fifty-seven".