2203505440000 has 180 divisors, whose sum is σ = 5586372054340. Its totient is φ = 866949120000.

The previous prime is 2203505439943. The next prime is 2203505440001. The reversal of 2203505440000 is 445053022.

It can be written as a sum of positive squares in 10 ways, for example, as 1567824528384 + 635680911616 = 1252128^2 + 797296^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203505440001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9647116 + ... + 9872884.

Almost surely, 2^{2203505440000} is an apocalyptic number.

2203505440000 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 2203505440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2793186027170).

2203505440000 is an abundant number, since it is smaller than the sum of its proper divisors (3382866614340).

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

2203505440000 is an frugal number, since it uses more digits than its factorization.

2203505440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225866 (or 225837 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 2203505440000 in words is "two trillion, two hundred three billion, five hundred five million, four hundred forty thousand".