2103540140240 has 320 divisors, whose sum is σ = 6421946112000. Its totient is φ = 620803491840.

The previous prime is 2103540140227. The next prime is 2103540140291. The reversal of 2103540140240 is 420410453012.

It is a super-2 number, since 2×2103540140240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287797706 + ... + 287805014.

It is an arithmetic number, because the mean of its divisors is an integer number (20068581600).

Almost surely, 2^{2103540140240} is an apocalyptic number.

2103540140240 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 2103540140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3210973056000).

2103540140240 is an abundant number, since it is smaller than the sum of its proper divisors (4318405971760).

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

2103540140240 is a wasteful number, since it uses less digits than its factorization.

2103540140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818 (or 9812 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2103540140240 its reverse (420410453012), we get a palindrome (2523950593252).

The spelling of 2103540140240 in words is "two trillion, one hundred three billion, five hundred forty million, one hundred forty thousand, two hundred forty".