2421230665040 has 320 divisors, whose sum is σ = 6514760171520. Its totient is φ = 828196638720.

The previous prime is 2421230665027. The next prime is 2421230665129. The reversal of 2421230665040 is 405660321242.

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, 1097067617 + ... + 1097069823.

It is an arithmetic number, because the mean of its divisors is an integer number (20358625536).

Almost surely, 2^{2421230665040} is an apocalyptic number.

2421230665040 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 2421230665040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3257380085760).

2421230665040 is an abundant number, since it is smaller than the sum of its proper divisors (4093529506480).

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

2421230665040 is a wasteful number, since it uses less digits than its factorization.

2421230665040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 2421230665040 its reverse (405660321242), we get a palindrome (2826890986282).

The spelling of 2421230665040 in words is "two trillion, four hundred twenty-one billion, two hundred thirty million, six hundred sixty-five thousand, forty".