2104240215 has 192 divisors, whose sum is σ = 4657766400. Its totient is φ = 790352640.

The previous prime is 2104240213. The next prime is 2104240223. The reversal of 2104240215 is 5120424012.

It is not a de Polignac number, because 2104240215 - 2¹ = 2104240213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2104240191 and 2104240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104240211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5551896 + ... + 5552274.

It is an arithmetic number, because the mean of its divisors is an integer number (24259200).

Almost surely, 2^2104240215 is an apocalyptic number.

2104240215 is an abundant number, since it is smaller than the sum of its proper divisors (2553526185).

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

2104240215 is a wasteful number, since it uses less digits than its factorization.

2104240215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2104240215 is about 45871.9981579176. The cubic root of 2104240215 is about 1281.4404793467.

Adding to 2104240215 its reverse (5120424012), we get a palindrome (7224664227).

The spelling of 2104240215 in words is "two billion, one hundred four million, two hundred forty thousand, two hundred fifteen".