204300040 has 32 divisors (see below), whose sum is σ = 525343680. Its totient is φ = 70045632.

The previous prime is 204300029. The next prime is 204300043. The reversal of 204300040 is 40003402.

It is not an unprimeable number, because it can be changed into a prime (204300043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364542 + ... + 365101.

It is an arithmetic number, because the mean of its divisors is an integer number (16416990).

Almost surely, 2^204300040 is an apocalyptic number.

204300040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204300040 is an abundant number, since it is smaller than the sum of its proper divisors (321043640).

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

204300040 is a wasteful number, since it uses less digits than its factorization.

204300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729661 (or 729657 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 204300040 is about 14293.3564987374. The cubic root of 204300040 is about 588.9649957146.

Adding to 204300040 its reverse (40003402), we get a palindrome (244303442).

The spelling of 204300040 in words is "two hundred four million, three hundred thousand, forty".