24420404 has 6 divisors (see below), whose sum is σ = 42735714. Its totient is φ = 12210200.

The previous prime is 24420367. The next prime is 24420419. The reversal of 24420404 is 40402442.

It can be written as a sum of positive squares in only one way, i.e., 22543504 + 1876900 = 4748^2 + 1370^2 .

It is a super-2 number, since 2×24420404² = 1192712263046432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052547 + ... + 3052554.

It is an arithmetic number, because the mean of its divisors is an integer number (7122619).

Almost surely, 2^24420404 is an apocalyptic number.

It is an amenable number.

24420404 is a deficient number, since it is larger than the sum of its proper divisors (18315310).

24420404 is a wasteful number, since it uses less digits than its factorization.

24420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105105 (or 6105103 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 24420404 is about 4941.7005170285. The cubic root of 24420404 is about 290.1244174821.

Adding to 24420404 its reverse (40402442), we get a palindrome (64822846).

The spelling of 24420404 in words is "twenty-four million, four hundred twenty thousand, four hundred four".