205053444 has 30 divisors (see below), whose sum is σ = 536051054. Its totient is φ = 68351040.

The previous prime is 205053421. The next prime is 205053451. The reversal of 205053444 is 444350502.

It can be written as a sum of positive squares in only one way, i.e., 199148544 + 5904900 = 14112^2 + 2430^2 .

It is a super-2 number, since 2×205053444² = 84093829792522272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 316117 + ... + 316764.

Almost surely, 2^205053444 is an apocalyptic number.

It is an amenable number.

205053444 is an abundant number, since it is smaller than the sum of its proper divisors (330997610).

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

205053444 is a wasteful number, since it uses less digits than its factorization.

205053444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632897 (or 632886 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 205053444 is about 14319.6872870884. The cubic root of 205053444 is about 589.6880894669.

The spelling of 205053444 in words is "two hundred five million, fifty-three thousand, four hundred forty-four".