2103040240 has 40 divisors (see below), whose sum is σ = 5588079840. Its totient is φ = 721042176.

The previous prime is 2103040201. The next prime is 2103040243. The reversal of 2103040240 is 420403012.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103040243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877155 + ... + 1878274.

It is an arithmetic number, because the mean of its divisors is an integer number (139701996).

Almost surely, 2^2103040240 is an apocalyptic number.

2103040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103040240 is an abundant number, since it is smaller than the sum of its proper divisors (3485039600).

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

2103040240 is a wasteful number, since it uses less digits than its factorization.

2103040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755449 (or 3755443 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2103040240 is about 45858.9166902141. The cubic root of 2103040240 is about 1281.1968460519.

Adding to 2103040240 its reverse (420403012), we get a palindrome (2523443252).

The spelling of 2103040240 in words is "two billion, one hundred three million, forty thousand, two hundred forty".