2421426140 has 72 divisors (see below), whose sum is σ = 5930321040. Its totient is φ = 828081408.

The previous prime is 2421426121. The next prime is 2421426149. The reversal of 2421426140 is 416241242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421426149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407672 + ... + 413568.

It is an arithmetic number, because the mean of its divisors is an integer number (82365570).

Almost surely, 2^2421426140 is an apocalyptic number.

2421426140 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 2421426140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965160520).

2421426140 is an abundant number, since it is smaller than the sum of its proper divisors (3508894900).

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

2421426140 is a wasteful number, since it uses less digits than its factorization.

2421426140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339 (or 6330 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2421426140 is about 49207.9885790915. The cubic root of 2421426140 is about 1342.8383698361.

Adding to 2421426140 its reverse (416241242), we get a palindrome (2837667382).

The spelling of 2421426140 in words is "two billion, four hundred twenty-one million, four hundred twenty-six thousand, one hundred forty".