2421244126240 has 24 divisors (see below), whose sum is σ = 5720189248620. Its totient is φ = 968497650432.

The previous prime is 2421244126193. The next prime is 2421244126247. The reversal of 2421244126240 is 426214421242.

It can be written as a sum of positive squares in 2 ways, for example, as 2133737975824 + 287506150416 = 1460732^2 + 536196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2421244126196 and 2421244126205.

It is not an unprimeable number, because it can be changed into a prime (2421244126247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7566387735 + ... + 7566388054.

Almost surely, 2^{2421244126240} is an apocalyptic number.

2421244126240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421244126240 is an abundant number, since it is smaller than the sum of its proper divisors (3298945122380).

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

2421244126240 is a wasteful number, since it uses less digits than its factorization.

2421244126240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132775804 (or 15132775796 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 2421244126240 its reverse (426214421242), we get a palindrome (2847458547482).

The spelling of 2421244126240 in words is "two trillion, four hundred twenty-one billion, two hundred forty-four million, one hundred twenty-six thousand, two hundred forty".