2421241422420 has 24 divisors (see below), whose sum is σ = 6779475982944. Its totient is φ = 645664379296.

The previous prime is 2421241422367. The next prime is 2421241422427. The reversal of 2421241422420 is 242241421242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421241422427) 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, 20177011794 + ... + 20177011913.

It is an arithmetic number, because the mean of its divisors is an integer number (282478165956).

Almost surely, 2^{2421241422420} is an apocalyptic number.

2421241422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421241422420 is an abundant number, since it is smaller than the sum of its proper divisors (4358234560524).

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

2421241422420 is a wasteful number, since it uses less digits than its factorization.

2421241422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40354023719 (or 40354023717 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 2421241422420 its reverse (242241421242), we get a palindrome (2663482843662).

The spelling of 2421241422420 in words is "two trillion, four hundred twenty-one billion, two hundred forty-one million, four hundred twenty-two thousand, four hundred twenty".