204244005240 has 96 divisors (see below), whose sum is σ = 724137850800. Its totient is φ = 49513697280.

The previous prime is 204244005239. The next prime is 204244005247. The reversal of 204244005240 is 42500442402.

204244005240 is a `hidden beast` number, since 204 + 2 + 4 + 400 + 52 + 4 + 0 = 666.

It is a super-2 number, since 2×204244005240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244005247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25784425 + ... + 25792344.

Almost surely, 2^204244005240 is an apocalyptic number.

204244005240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204244005240 is an abundant number, since it is smaller than the sum of its proper divisors (519893845560).

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

204244005240 is a wasteful number, since it uses less digits than its factorization.

204244005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51576797 (or 51576790 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 204244005240 its reverse (42500442402), we get a palindrome (246744447642).

The spelling of 204244005240 in words is "two hundred four billion, two hundred forty-four million, five thousand, two hundred forty".