204454510451200 has 120 divisors (see below), whose sum is σ = 524019334728780. Its totient is φ = 78961741824000.

The previous prime is 204454510451189. The next prime is 204454510451201. The reversal of 204454510451200 is 2154015454402.

It can be written as a sum of positive squares in 6 ways, for example, as 18427170265344 + 186027340185856 = 4292688^2 + 13639184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204454510451200.

It is not an unprimeable number, because it can be changed into a prime (204454510451201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275025501 + ... + 275767900.

Almost surely, 2^{204454510451200} is an apocalyptic number.

204454510451200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204454510451200 is an abundant number, since it is smaller than the sum of its proper divisors (319564824277580).

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

204454510451200 is an equidigital number, since it uses as much as digits as its factorization.

204454510451200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550793458 (or 550793437 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 204454510451200 in words is "two hundred four trillion, four hundred fifty-four billion, five hundred ten million, four hundred fifty-one thousand, two hundred".