24421300040 has 32 divisors (see below), whose sum is σ = 54960985080. Its totient is φ = 9766198272.

The previous prime is 24421299977. The next prime is 24421300049. The reversal of 24421300040 is 4000312442.

It can be written as a sum of positive squares in 4 ways, for example, as 16191544516 + 8229755524 = 127246^2 + 90718^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 24421299985 and 24421300021.

It is not an unprimeable number, because it can be changed into a prime (24421300049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103094 + ... + 243866.

Almost surely, 2^24421300040 is an apocalyptic number.

24421300040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24421300040 is an abundant number, since it is smaller than the sum of its proper divisors (30539685040).

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

24421300040 is a wasteful number, since it uses less digits than its factorization.

24421300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145121 (or 145117 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 24421300040 its reverse (4000312442), we get a palindrome (28421612482).

The spelling of 24421300040 in words is "twenty-four billion, four hundred twenty-one million, three hundred thousand, forty".