204044315035400 has 72 divisors (see below), whose sum is σ = 551856588803370. Its totient is φ = 69958050865920.

The previous prime is 204044315035397. The next prime is 204044315035409. The reversal of 204044315035400 is 4530513440402.

It can be written as a sum of positive squares in 3 ways, for example, as 138382237905604 + 65662077129796 = 11763598^2 + 8103214^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (204044315035409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10410414437 + ... + 10410434036.

Almost surely, 2^{204044315035400} is an apocalyptic number.

204044315035400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204044315035400 is an abundant number, since it is smaller than the sum of its proper divisors (347812273767970).

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

204044315035400 is a wasteful number, since it uses less digits than its factorization.

204044315035400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820848503 (or 20820848487 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 204044315035400 its reverse (4530513440402), we get a palindrome (208574828475802).

The spelling of 204044315035400 in words is "two hundred four trillion, forty-four billion, three hundred fifteen million, thirty-five thousand, four hundred".