204402225144 has 64 divisors (see below), whose sum is σ = 552716992800. Its totient is φ = 62618328576.

The previous prime is 204402225101. The next prime is 204402225149. The reversal of 204402225144 is 441522204402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204402225149) 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, 1358979 + ... + 1501874.

Almost surely, 2^204402225144 is an apocalyptic number.

204402225144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204402225144 is an abundant number, since it is smaller than the sum of its proper divisors (348314767656).

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

204402225144 is a wasteful number, since it uses less digits than its factorization.

204402225144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861104 (or 2861100 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 204402225144 its reverse (441522204402), we get a palindrome (645924429546).

The spelling of 204402225144 in words is "two hundred four billion, four hundred two million, two hundred twenty-five thousand, one hundred forty-four".