2421315140 has 48 divisors (see below), whose sum is σ = 5266297344. Its totient is φ = 934156800.

The previous prime is 2421315139. The next prime is 2421315167. The reversal of 2421315140 is 415131242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183980 + ... + 196700.

It is an arithmetic number, because the mean of its divisors is an integer number (109714528).

Almost surely, 2^2421315140 is an apocalyptic number.

2421315140 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 2421315140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2633148672).

2421315140 is an abundant number, since it is smaller than the sum of its proper divisors (2844982204).

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

2421315140 is a wasteful number, since it uses less digits than its factorization.

2421315140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068 (or 13066 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2421315140 is about 49206.8607005161. The cubic root of 2421315140 is about 1342.8178506147.

Adding to 2421315140 its reverse (415131242), we get a palindrome (2836446382).

The spelling of 2421315140 in words is "two billion, four hundred twenty-one million, three hundred fifteen thousand, one hundred forty".