2421210144 has 48 divisors (see below), whose sum is σ = 6527461248. Its totient is φ = 785256192.

The previous prime is 2421210139. The next prime is 2421210149. The reversal of 2421210144 is 4410121242.

It is an interprime number because it is at equal distance from previous prime (2421210139) and next prime (2421210149).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2421210144² = 11724517122817001472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2421210144.

It is not an unprimeable number, because it can be changed into a prime (2421210149) 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, 337272 + ... + 344375.

It is an arithmetic number, because the mean of its divisors is an integer number (135988776).

Almost surely, 2^2421210144 is an apocalyptic number.

2421210144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2421210144 is an abundant number, since it is smaller than the sum of its proper divisors (4106251104).

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

2421210144 is a wasteful number, since it uses less digits than its factorization.

2421210144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681697 (or 681689 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2421210144 is about 49205.7938052014. The cubic root of 2421210144 is about 1342.7984407028.

Adding to 2421210144 its reverse (4410121242), we get a palindrome (6831331386).

The spelling of 2421210144 in words is "two billion, four hundred twenty-one million, two hundred ten thousand, one hundred forty-four".