2421434444 has 48 divisors (see below), whose sum is σ = 4990191360. Its totient is φ = 1013567040.

The previous prime is 2421434441. The next prime is 2421434473. The reversal of 2421434444 is 4444341242.

It is a self number, because there is not a number n which added to its sum of digits gives 2421434444.

It is not an unprimeable number, because it can be changed into a prime (2421434441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246287 + ... + 255929.

It is an arithmetic number, because the mean of its divisors is an integer number (103962320).

Almost surely, 2^2421434444 is an apocalyptic number.

It is an amenable number.

2421434444 is an abundant number, since it is smaller than the sum of its proper divisors (2568756916).

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

2421434444 is a wasteful number, since it uses less digits than its factorization.

2421434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110 (or 10108 counting only the distinct ones).

The product of its digits is 49152, while the sum is 32.

The square root of 2421434444 is about 49208.0729555629. The cubic root of 2421434444 is about 1342.8399048704.

Adding to 2421434444 its reverse (4444341242), we get a palindrome (6865775686).

The spelling of 2421434444 in words is "two billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred forty-four".