204440352144 has 80 divisors (see below), whose sum is σ = 603662232192. Its totient is φ = 58404132864.

The previous prime is 204440352143. The next prime is 204440352199. The reversal of 204440352144 is 441253044402.

It is not an unprimeable number, because it can be changed into a prime (204440352143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967432 + ... + 3035544.

Almost surely, 2^204440352144 is an apocalyptic number.

204440352144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204440352144 is an abundant number, since it is smaller than the sum of its proper divisors (399221880048).

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

204440352144 is a wasteful number, since it uses less digits than its factorization.

204440352144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77064 (or 77058 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 204440352144 its reverse (441253044402), we get a palindrome (645693396546).

The spelling of 204440352144 in words is "two hundred four billion, four hundred forty million, three hundred fifty-two thousand, one hundred forty-four".