204142463644 has 48 divisors (see below), whose sum is σ = 412435618560. Its totient is φ = 86601525120.

The previous prime is 204142463617. The next prime is 204142463677. The reversal of 204142463644 is 446364241402.

It is a super-3 number, since 3×204142463644³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204142463597 and 204142463606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3744904 + ... + 3799024.

It is an arithmetic number, because the mean of its divisors is an integer number (8592408720).

Almost surely, 2^204142463644 is an apocalyptic number.

It is an amenable number.

204142463644 is an abundant number, since it is smaller than the sum of its proper divisors (208293154916).

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

204142463644 is a wasteful number, since it uses less digits than its factorization.

204142463644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55498 (or 55496 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 204142463644 in words is "two hundred four billion, one hundred forty-two million, four hundred sixty-three thousand, six hundred forty-four".