2421378210 has 16 divisors (see below), whose sum is σ = 5811307776. Its totient is φ = 645700848.

The previous prime is 2421378209. The next prime is 2421378217. The reversal of 2421378210 is 128731242.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 80712607 = 2421378210 / (2 + 4 + 2 + 1 + 3 + 7 + 8 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (2421378217) 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, 40356274 + ... + 40356333.

It is an arithmetic number, because the mean of its divisors is an integer number (363206736).

Almost surely, 2^2421378210 is an apocalyptic number.

2421378210 is an abundant number, since it is smaller than the sum of its proper divisors (3389929566).

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

2421378210 is a wasteful number, since it uses less digits than its factorization.

2421378210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80712617.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2421378210 is about 49207.5015622618. The cubic root of 2421378210 is about 1342.8295096763.

The spelling of 2421378210 in words is "two billion, four hundred twenty-one million, three hundred seventy-eight thousand, two hundred ten".