2204036640 has 288 divisors, whose sum is σ = 8453652480. Its totient is φ = 518842368.

The previous prime is 2204036633. The next prime is 2204036671. The reversal of 2204036640 is 466304022.

2204036640 is a `hidden beast` number, since 220 + 40 + 366 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428001 + ... + 433119.

It is an arithmetic number, because the mean of its divisors is an integer number (29352960).

Almost surely, 2^2204036640 is an apocalyptic number.

2204036640 is a gapful number since it is divisible by the number (20) 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 2204036640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4226826240).

2204036640 is an abundant number, since it is smaller than the sum of its proper divisors (6249615840).

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

2204036640 is a wasteful number, since it uses less digits than its factorization.

2204036640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2204036640 is about 46947.1686047199. The cubic root of 2204036640 is about 1301.3864183289.

The spelling of 2204036640 in words is "two billion, two hundred four million, thirty-six thousand, six hundred forty".