204326453544 has 32 divisors (see below), whose sum is σ = 521684565120. Its totient is φ = 66659693696.

The previous prime is 204326453543. The next prime is 204326453581. The reversal of 204326453544 is 445354623402.

It is a happy number.

204326453544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204326453496 and 204326453505.

It is not an unprimeable number, because it can be changed into a prime (204326453543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90569109 + ... + 90571364.

It is an arithmetic number, because the mean of its divisors is an integer number (16302642660).

Almost surely, 2^204326453544 is an apocalyptic number.

204326453544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204326453544 is an abundant number, since it is smaller than the sum of its proper divisors (317358111576).

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

204326453544 is a wasteful number, since it uses less digits than its factorization.

204326453544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181140529 (or 181140525 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 204326453544 in words is "two hundred four billion, three hundred twenty-six million, four hundred fifty-three thousand, five hundred forty-four".