2040660604400 has 120 divisors (see below), whose sum is σ = 5352751933200. Its totient is φ = 741452646400.

The previous prime is 2040660604379. The next prime is 2040660604403. The reversal of 2040660604400 is 44060660402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040660604403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5218916 + ... + 5596284.

It is an arithmetic number, because the mean of its divisors is an integer number (44606266110).

Almost surely, 2^{2040660604400} is an apocalyptic number.

2040660604400 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 2040660604400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2676375966600).

2040660604400 is an abundant number, since it is smaller than the sum of its proper divisors (3312091328800).

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

2040660604400 is a wasteful number, since it uses less digits than its factorization.

2040660604400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378627 (or 378616 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 2040660604400 in words is "two trillion, forty billion, six hundred sixty million, six hundred four thousand, four hundred".