204454663042 has 32 divisors (see below), whose sum is σ = 353909735424. Its totient is φ = 86773539600.

The previous prime is 204454662983. The next prime is 204454663043. The reversal of 204454663042 is 240366454402.

204454663042 is digitally balanced in base 2, 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 = 204454662986 and 204454663004.

It is not an unprimeable number, because it can be changed into a prime (204454663043) 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, 424867 + ... + 767737.

It is an arithmetic number, because the mean of its divisors is an integer number (11059679232).

Almost surely, 2^204454663042 is an apocalyptic number.

204454663042 is a deficient number, since it is larger than the sum of its proper divisors (149455072382).

204454663042 is a wasteful number, since it uses less digits than its factorization.

204454663042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343294.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 204454663042 in words is "two hundred four billion, four hundred fifty-four million, six hundred sixty-three thousand, forty-two".