24000442540 has 24 divisors (see below), whose sum is σ = 50407076160. Its totient is φ = 9599006208.

The previous prime is 24000442537. The next prime is 24000442549. The reversal of 24000442540 is 4524400042.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (24000442549) 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, 105564 + ... + 243196.

It is an arithmetic number, because the mean of its divisors is an integer number (2100294840).

Almost surely, 2^24000442540 is an apocalyptic number.

24000442540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24000442540 is an abundant number, since it is smaller than the sum of its proper divisors (26406633620).

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

24000442540 is a wasteful number, since it uses less digits than its factorization.

24000442540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146361 (or 146359 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 24000442540 its reverse (4524400042), we get a palindrome (28524842582).

The spelling of 24000442540 in words is "twenty-four billion, four hundred forty-two thousand, five hundred forty".