24420420424 has 8 divisors (see below), whose sum is σ = 45788288310. Its totient is φ = 12210210208.

The previous prime is 24420420419. The next prime is 24420420443. The reversal of 24420420424 is 42402402442.

It can be written as a sum of positive squares in only one way, i.e., 14189097924 + 10231322500 = 119118^2 + 101150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 24420420392 and 24420420401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526276269 + ... + 1526276284.

Almost surely, 2^24420420424 is an apocalyptic number.

It is an amenable number.

24420420424 is a deficient number, since it is larger than the sum of its proper divisors (21367867886).

24420420424 is a wasteful number, since it uses less digits than its factorization.

24420420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052552559 (or 3052552555 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 24420420424 its reverse (42402402442), we get a palindrome (66822822866).

It can be divided in two parts, 244204 and 20424, that added together give a triangular number (264628 = T₇₂₇).

The spelling of 24420420424 in words is "twenty-four billion, four hundred twenty million, four hundred twenty thousand, four hundred twenty-four".