2421478741242 has 96 divisors (see below), whose sum is σ = 5378578656192. Its totient is φ = 726161920000.

The previous prime is 2421478741169. The next prime is 2421478741271.

2421478741242 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2421478741191 and 2421478741200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176782138 + ... + 176795834.

It is an arithmetic number, because the mean of its divisors is an integer number (56026861002).

Almost surely, 2^{2421478741242} is an apocalyptic number.

2421478741242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421478741242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2689289328096).

2421478741242 is an abundant number, since it is smaller than the sum of its proper divisors (2957099914950).

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

2421478741242 is a wasteful number, since it uses less digits than its factorization.

2421478741242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236 (or 16225 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 48.

The spelling of 2421478741242 in words is "two trillion, four hundred twenty-one billion, four hundred seventy-eight million, seven hundred forty-one thousand, two hundred forty-two".