2209489040 has 240 divisors, whose sum is σ = 6016281600. Its totient is φ = 752716800.

The previous prime is 2209489001. The next prime is 2209489063. The reversal of 2209489040 is 409849022.

It is a junction number, because it is equal to n+sod(n) for n = 2209488985 and 2209489003.

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, 11102861 + ... + 11103059.

It is an arithmetic number, because the mean of its divisors is an integer number (25067840).

Almost surely, 2^2209489040 is an apocalyptic number.

2209489040 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 2209489040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3008140800).

2209489040 is an abundant number, since it is smaller than the sum of its proper divisors (3806792560).

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

2209489040 is a wasteful number, since it uses less digits than its factorization.

2209489040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2209489040 is about 47005.2022652812. The cubic root of 2209489040 is about 1302.4586685283.

The spelling of 2209489040 in words is "two billion, two hundred nine million, four hundred eighty-nine thousand, forty".