204896549026 has 32 divisors (see below), whose sum is σ = 350550870768. Its totient is φ = 88980879360.

The previous prime is 204896549023. The next prime is 204896549063. The reversal of 204896549026 is 620945698402.

204896549026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 452655²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 121557519801 + 83339029225 = 348651^2 + 288685^2 .

It is not an unprimeable number, because it can be changed into a prime (204896549023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633716 + ... + 1754656.

Almost surely, 2^204896549026 is an apocalyptic number.

204896549026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204896549026 is a deficient number, since it is larger than the sum of its proper divisors (145654321742).

204896549026 is a wasteful number, since it uses less digits than its factorization.

204896549026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124806.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 204896549026 in words is "two hundred four billion, eight hundred ninety-six million, five hundred forty-nine thousand, twenty-six".