505364656356 has 36 divisors (see below), whose sum is σ = 1459942341312. Its totient is φ = 144389901744.

The previous prime is 505364656351. The next prime is 505364656373. The reversal of 505364656356 is 653656463505.

505364656356 is a `hidden beast` number, since 5 + 0 + 5 + 36 + 46 + 563 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (505364656351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002707400 + ... + 1002707903.

Almost surely, 2^505364656356 is an apocalyptic number.

It is an amenable number.

505364656356 is an abundant number, since it is smaller than the sum of its proper divisors (954577684956).

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

505364656356 is a wasteful number, since it uses less digits than its factorization.

505364656356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005415320 (or 2005415315 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 505364656356 in words is "five hundred five billion, three hundred sixty-four million, six hundred fifty-six thousand, three hundred fifty-six".