204626450 has 90 divisors (see below), whose sum is σ = 470416041. Its totient is φ = 66030720.

The previous prime is 204626441. The next prime is 204626459. The reversal of 204626450 is 54626402.

It is an interprime number because it is at equal distance from previous prime (204626441) and next prime (204626459).

It can be written as a sum of positive squares in 8 ways, for example, as 38551681 + 166074769 = 6209^2 + 12887^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10115.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204626459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 12036842 + ... + 12036858.

Almost surely, 2^204626450 is an apocalyptic number.

204626450 is an abundant number, since it is smaller than the sum of its proper divisors (265789591).

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

204626450 is an frugal number, since it uses more digits than its factorization.

204626450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 204626450 is about 14304.7701834039. The cubic root of 204626450 is about 589.2784917738.

The spelling of 204626450 in words is "two hundred four million, six hundred twenty-six thousand, four hundred fifty".