204661450 has 48 divisors (see below), whose sum is σ = 436829184. Its totient is φ = 69883200.

The previous prime is 204661441. The next prime is 204661459. The reversal of 204661450 is 54166402.

It is an interprime number because it is at equal distance from previous prime (204661441) and next prime (204661459).

It is a super-2 number, since 2×204661450² = 83772618232205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204661459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95895 + ... + 98005.

It is an arithmetic number, because the mean of its divisors is an integer number (9100608).

Almost surely, 2^204661450 is an apocalyptic number.

204661450 is an abundant number, since it is smaller than the sum of its proper divisors (232167734).

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

204661450 is a wasteful number, since it uses less digits than its factorization.

204661450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2402 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 204661450 is about 14305.9934992296. The cubic root of 204661450 is about 589.3120872538.

The spelling of 204661450 in words is "two hundred four million, six hundred sixty-one thousand, four hundred fifty".