205628470284 has 24 divisors (see below), whose sum is σ = 481913425728. Its totient is φ = 68240871760.

The previous prime is 205628470237. The next prime is 205628470319. The reversal of 205628470284 is 482074826502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37741122 + ... + 37746569.

It is an arithmetic number, because the mean of its divisors is an integer number (20079726072).

Almost surely, 2^205628470284 is an apocalyptic number.

It is an amenable number.

205628470284 is an abundant number, since it is smaller than the sum of its proper divisors (276284955444).

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

205628470284 is a wasteful number, since it uses less digits than its factorization.

205628470284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75487925 (or 75487923 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 205628470284 in words is "two hundred five billion, six hundred twenty-eight million, four hundred seventy thousand, two hundred eighty-four".