24421144402 has 24 divisors (see below), whose sum is σ = 39049789716. Its totient is φ = 11414820864.

The previous prime is 24421144387. The next prime is 24421144403. The reversal of 24421144402 is 20444112442.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10398084841 + 14023059561 = 101971^2 + 118419^2 .

It is not an unprimeable number, because it can be changed into a prime (24421144403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738658 + ... + 771010.

Almost surely, 2^24421144402 is an apocalyptic number.

24421144402 is a deficient number, since it is larger than the sum of its proper divisors (14628645314).

24421144402 is a wasteful number, since it uses less digits than its factorization.

24421144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32670 (or 32521 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 24421144402 its reverse (20444112442), we get a palindrome (44865256844).

The spelling of 24421144402 in words is "twenty-four billion, four hundred twenty-one million, one hundred forty-four thousand, four hundred two".