204030324040 has 32 divisors (see below), whose sum is σ = 459550023480. Its totient is φ = 81526477312.

The previous prime is 204030324037. The next prime is 204030324053. The reversal of 204030324040 is 40423030402.

It can be written as a sum of positive squares in 4 ways, for example, as 134910759204 + 69119564836 = 367302^2 + 262906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638039 + ... + 2714278.

Almost surely, 2^204030324040 is an apocalyptic number.

204030324040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204030324040 is an abundant number, since it is smaller than the sum of its proper divisors (255519699440).

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

204030324040 is a wasteful number, since it uses less digits than its factorization.

204030324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353281 (or 5353277 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 204030324040 its reverse (40423030402), we get a palindrome (244453354442).

The spelling of 204030324040 in words is "two hundred four billion, thirty million, three hundred twenty-four thousand, forty".