204024323401040 has 20 divisors (see below), whose sum is σ = 474356551907604. Its totient is φ = 81609729360384.

The previous prime is 204024323401033. The next prime is 204024323401079. The reversal of 204024323401040 is 40104323420402.

It can be written as a sum of positive squares in 2 ways, for example, as 33513586184464 + 170510737216576 = 5789092^2 + 13057976^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 204024323400994 and 204024323401012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275152021177 + ... + 1275152021336.

Almost surely, 2^{204024323401040} is an apocalyptic number.

204024323401040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204024323401040 is an abundant number, since it is smaller than the sum of its proper divisors (270332228506564).

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

204024323401040 is a wasteful number, since it uses less digits than its factorization.

204024323401040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550304042526 (or 2550304042520 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 204024323401040 its reverse (40104323420402), we get a palindrome (244128646821442).

The spelling of 204024323401040 in words is "two hundred four trillion, twenty-four billion, three hundred twenty-three million, four hundred one thousand, forty".