24543434542 has 12 divisors (see below), whose sum is σ = 40466241648. Its totient is φ = 11156106500.

The previous prime is 24543434501. The next prime is 24543434549.

24543434542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 24543434495 and 24543434504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24543434549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50709334 + ... + 50709817.

It is an arithmetic number, because the mean of its divisors is an integer number (3372186804).

Almost surely, 2^24543434542 is an apocalyptic number.

24543434542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24543434542 is a deficient number, since it is larger than the sum of its proper divisors (15922807106).

24543434542 is a wasteful number, since it uses less digits than its factorization.

24543434542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101419175 (or 101419164 counting only the distinct ones).

The product of its digits is 921600, while the sum is 40.

The spelling of 24543434542 in words is "twenty-four billion, five hundred forty-three million, four hundred thirty-four thousand, five hundred forty-two".