205428141936 has 90 divisors (see below), whose sum is σ = 594057721920. Its totient is φ = 66267097920.

The previous prime is 205428141923. The next prime is 205428141991. The reversal of 205428141936 is 639141824502.

205428141936 is a `hidden beast` number, since 2 + 0 + 542 + 8 + 14 + 1 + 93 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 205428141891 and 205428141900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 603856 + ... + 880623.

Almost surely, 2^205428141936 is an apocalyptic number.

It is an amenable number.

205428141936 is an abundant number, since it is smaller than the sum of its proper divisors (388629579984).

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

205428141936 is a wasteful number, since it uses less digits than its factorization.

205428141936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484555 (or 1484515 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 205428141936 in words is "two hundred five billion, four hundred twenty-eight million, one hundred forty-one thousand, nine hundred thirty-six".