24535542066 has 32 divisors (see below), whose sum is σ = 56438459520. Its totient is φ = 6965502336.

The previous prime is 24535542047. The next prime is 24535542067. The reversal of 24535542066 is 66024553542.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24535542067) 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 in 15 ways as a sum of consecutive naturals, for example, 1853851 + ... + 1867038.

It is an arithmetic number, because the mean of its divisors is an integer number (1763701860).

Almost surely, 2^24535542066 is an apocalyptic number.

24535542066 is an abundant number, since it is smaller than the sum of its proper divisors (31902917454).

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

24535542066 is a wasteful number, since it uses less digits than its factorization.

24535542066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721058.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 24535542066 in words is "twenty-four billion, five hundred thirty-five million, five hundred forty-two thousand, sixty-six".