505352354656 has 24 divisors (see below), whose sum is σ = 1029219775920. Its totient is φ = 243963205248.

The previous prime is 505352354651. The next prime is 505352354657. The reversal of 505352354656 is 656453253505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505352354651) 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, 272279436 + ... + 272281291.

It is an arithmetic number, because the mean of its divisors is an integer number (42884157330).

Almost surely, 2^505352354656 is an apocalyptic number.

It is an amenable number.

505352354656 is an abundant number, since it is smaller than the sum of its proper divisors (523867421264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505352354656 is a wasteful number, since it uses less digits than its factorization.

505352354656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544560766 (or 544560758 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 49.

The spelling of 505352354656 in words is "five hundred five billion, three hundred fifty-two million, three hundred fifty-four thousand, six hundred fifty-six".