2202666640040 has 96 divisors (see below), whose sum is σ = 5236564843080. Its totient is φ = 833738171904.

The previous prime is 2202666639989. The next prime is 2202666640061. The reversal of 2202666640040 is 400466662022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2201620893796 + 1045746244 = 1483786^2 + 32338^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2202666639976 and 2202666640003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12576914 + ... + 12750846.

Almost surely, 2^{2202666640040} is an apocalyptic number.

2202666640040 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 2202666640040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2618282421540).

2202666640040 is an abundant number, since it is smaller than the sum of its proper divisors (3033898203040).

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

2202666640040 is a wasteful number, since it uses less digits than its factorization.

2202666640040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174859 (or 174836 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 2202666640040 in words is "two trillion, two hundred two billion, six hundred sixty-six million, six hundred forty thousand, forty".