24135440542 has 4 divisors (see below), whose sum is σ = 36203160816. Its totient is φ = 12067720270.

The previous prime is 24135440491. The next prime is 24135440543. The reversal of 24135440542 is 24504453142.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 24135440498 and 24135440507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24135440543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6033860134 + ... + 6033860137.

It is an arithmetic number, because the mean of its divisors is an integer number (9050790204).

Almost surely, 2^24135440542 is an apocalyptic number.

24135440542 is a deficient number, since it is larger than the sum of its proper divisors (12067720274).

24135440542 is a wasteful number, since it uses less digits than its factorization.

24135440542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12067720273.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 24135440542 its reverse (24504453142), we get a palindrome (48639893684).

The spelling of 24135440542 in words is "twenty-four billion, one hundred thirty-five million, four hundred forty thousand, five hundred forty-two".