2421144520 has 32 divisors (see below), whose sum is σ = 5449462200. Its totient is φ = 968122368.

The previous prime is 2421144491. The next prime is 2421144553. The reversal of 2421144520 is 254411242.

2421144520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 401361156 + 2019783364 = 20034^2 + 44942^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129526 + ... + 147034.

Almost surely, 2^2421144520 is an apocalyptic number.

2421144520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421144520 is an abundant number, since it is smaller than the sum of its proper divisors (3028317680).

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

2421144520 is a wasteful number, since it uses less digits than its factorization.

2421144520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20977 (or 20973 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2421144520 is about 49205.1269686402. The cubic root of 2421144520 is about 1342.7863089456.

Adding to 2421144520 its reverse (254411242), we get a palindrome (2675555762).

The spelling of 2421144520 in words is "two billion, four hundred twenty-one million, one hundred forty-four thousand, five hundred twenty".