210505264430650 has 96 divisors (see below), whose sum is σ = 448488691136640. Its totient is φ = 72009612192000.

The previous prime is 210505264430627. The next prime is 210505264430689. The reversal of 210505264430650 is 56034462505012.

It is a junction number, because it is equal to n+sod(n) for n = 210505264430597 and 210505264430606.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1802382456 + ... + 1802499244.

It is an arithmetic number, because the mean of its divisors is an integer number (4671757199340).

Almost surely, 2^{210505264430650} is an apocalyptic number.

210505264430650 is an abundant number, since it is smaller than the sum of its proper divisors (237983426705990).

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

210505264430650 is a wasteful number, since it uses less digits than its factorization.

210505264430650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128440 (or 128435 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 210505264430650 in words is "two hundred ten trillion, five hundred five billion, two hundred sixty-four million, four hundred thirty thousand, six hundred fifty".