2102241440 has 96 divisors (see below), whose sum is σ = 5521291776. Its totient is φ = 751150080.

The previous prime is 2102241439. The next prime is 2102241451. The reversal of 2102241440 is 441422012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48179 + ... + 80781.

It is an arithmetic number, because the mean of its divisors is an integer number (57513456).

Almost surely, 2^2102241440 is an apocalyptic number.

2102241440 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 2102241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760645888).

2102241440 is an abundant number, since it is smaller than the sum of its proper divisors (3419050336).

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

2102241440 is a wasteful number, since it uses less digits than its factorization.

2102241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32662 (or 32654 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2102241440 is about 45850.2065426100. The cubic root of 2102241440 is about 1281.0346127251.

Adding to 2102241440 its reverse (441422012), we get a palindrome (2543663452).

The spelling of 2102241440 in words is "two billion, one hundred two million, two hundred forty-one thousand, four hundred forty".