2209807040 has 112 divisors (see below), whose sum is σ = 6033284352. Its totient is φ = 755198976.

The previous prime is 2209807013. The next prime is 2209807043. The reversal of 2209807040 is 407089022.

2209807040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2209806988 and 2209807006.

It is not an unprimeable number, because it can be changed into a prime (2209807043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775859 + ... + 778701.

Almost surely, 2^2209807040 is an apocalyptic number.

2209807040 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 2209807040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3016642176).

2209807040 is an abundant number, since it is smaller than the sum of its proper divisors (3823477312).

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

2209807040 is a wasteful number, since it uses less digits than its factorization.

2209807040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2209807040 is about 47008.5847478947. The cubic root of 2209807040 is about 1302.5211508459.

The spelling of 2209807040 in words is "two billion, two hundred nine million, eight hundred seven thousand, forty".