204144499956 has 12 divisors (see below), whose sum is σ = 476337166592. Its totient is φ = 68048166648.

The previous prime is 204144499841. The next prime is 204144499969. The reversal of 204144499956 is 659994441402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 204144499896 and 204144499905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8506020820 + ... + 8506020843.

Almost surely, 2^204144499956 is an apocalyptic number.

It is an amenable number.

204144499956 is an abundant number, since it is smaller than the sum of its proper divisors (272192666636).

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

204144499956 is a wasteful number, since it uses less digits than its factorization.

204144499956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012041670 (or 17012041668 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 204144499956 in words is "two hundred four billion, one hundred forty-four million, four hundred ninety-nine thousand, nine hundred fifty-six".