2421140232 has 64 divisors (see below), whose sum is σ = 6948126720. Its totient is φ = 688696128.

The previous prime is 2421140231. The next prime is 2421140237. The reversal of 2421140232 is 2320411242.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2421140199 and 2421140208.

It is not an unprimeable number, because it can be changed into a prime (2421140231) 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 15 ways as a sum of consecutive naturals, for example, 6393 + ... + 69879.

It is an arithmetic number, because the mean of its divisors is an integer number (108564480).

Almost surely, 2^2421140232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421140232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3474063360).

2421140232 is an abundant number, since it is smaller than the sum of its proper divisors (4526986488).

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

2421140232 is a wasteful number, since it uses less digits than its factorization.

2421140232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63730 (or 63726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2421140232 is about 49205.0833959257. The cubic root of 2421140232 is about 1342.7855162253.

Adding to 2421140232 its reverse (2320411242), we get a palindrome (4741551474).

The spelling of 2421140232 in words is "two billion, four hundred twenty-one million, one hundred forty thousand, two hundred thirty-two".