204040088 has 48 divisors (see below), whose sum is σ = 461497680. Its totient is φ = 82835136.

The previous prime is 204040063. The next prime is 204040093. The reversal of 204040088 is 880040402.

It is a super-2 number, since 2×204040088² = 83264715022095488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15170 + ... + 25262.

It is an arithmetic number, because the mean of its divisors is an integer number (9614535).

Almost surely, 2^204040088 is an apocalyptic number.

204040088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204040088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230748840).

204040088 is an abundant number, since it is smaller than the sum of its proper divisors (257457592).

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

204040088 is a wasteful number, since it uses less digits than its factorization.

204040088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144 (or 10121 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 204040088 is about 14284.2601488492. The cubic root of 204040088 is about 588.7150893994.

The spelling of 204040088 in words is "two hundred four million, forty thousand, eighty-eight".