204233034040 has 64 divisors (see below), whose sum is σ = 529988817600. Its totient is φ = 69380333568.

The previous prime is 204233034029. The next prime is 204233034077. The reversal of 204233034040 is 40430332402.

It is a super-2 number, since 2×204233034040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204233033996 and 204233034014.

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, 3315369 + ... + 3376408.

It is an arithmetic number, because the mean of its divisors is an integer number (8281075275).

Almost surely, 2^204233034040 is an apocalyptic number.

204233034040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204233034040 is an abundant number, since it is smaller than the sum of its proper divisors (325755783560).

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

204233034040 is a wasteful number, since it uses less digits than its factorization.

204233034040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691904 (or 6691900 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 204233034040 its reverse (40430332402), we get a palindrome (244663366442).

The spelling of 204233034040 in words is "two hundred four billion, two hundred thirty-three million, thirty-four thousand, forty".