2201040040 has 16 divisors (see below), whose sum is σ = 4952340180. Its totient is φ = 880416000.

The previous prime is 2201040013. The next prime is 2201040041. The reversal of 2201040040 is 400401022.

It can be written as a sum of positive squares in 2 ways, for example, as 2140542756 + 60497284 = 46266^2 + 7778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2201040040.

It is not an unprimeable number, because it can be changed into a prime (2201040041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27512961 + ... + 27513040.

Almost surely, 2^2201040040 is an apocalyptic number.

2201040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201040040 is an abundant number, since it is smaller than the sum of its proper divisors (2751300140).

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

2201040040 is a wasteful number, since it uses less digits than its factorization.

2201040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55026012 (or 55026008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2201040040 is about 46915.2431518798. The cubic root of 2201040040 is about 1300.7963641284.

Adding to 2201040040 its reverse (400401022), we get a palindrome (2601441062).

The spelling of 2201040040 in words is "two billion, two hundred one million, forty thousand, forty".