24021234436 has 12 divisors (see below), whose sum is σ = 42134246812. Its totient is φ = 11982878208.

The previous prime is 24021234403. The next prime is 24021234449. The reversal of 24021234436 is 63443212042.

It can be written as a sum of positive squares in 2 ways, for example, as 1116228100 + 22905006336 = 33410^2 + 151344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24021234398 and 24021234407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932805 + ... + 6936268.

Almost surely, 2^24021234436 is an apocalyptic number.

It is an amenable number.

24021234436 is a deficient number, since it is larger than the sum of its proper divisors (18113012376).

24021234436 is a wasteful number, since it uses less digits than its factorization.

24021234436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13869510 (or 13869508 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 24021234436 its reverse (63443212042), we get a palindrome (87464446478).

The spelling of 24021234436 in words is "twenty-four billion, twenty-one million, two hundred thirty-four thousand, four hundred thirty-six".