205350453630 has 48 divisors (see below), whose sum is σ = 610184206944. Its totient is φ = 46937246400.

The previous prime is 205350453601. The next prime is 205350453631. The reversal of 205350453630 is 36354053502.

205350453630 is a `hidden beast` number, since 20 + 53 + 50 + 4 + 536 + 3 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205350453631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162975921 + ... + 162977180.

It is an arithmetic number, because the mean of its divisors is an integer number (12712170978).

Almost surely, 2^205350453630 is an apocalyptic number.

205350453630 is an abundant number, since it is smaller than the sum of its proper divisors (404833753314).

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

205350453630 is a wasteful number, since it uses less digits than its factorization.

205350453630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325953121 (or 325953118 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 205350453630 in words is "two hundred five billion, three hundred fifty million, four hundred fifty-three thousand, six hundred thirty".