23940736805982 has 32 divisors (see below), whose sum is σ = 51934568230944. Its totient is φ = 7327628672000.

The previous prime is 23940736805977. The next prime is 23940736805983. The reversal of 23940736805982 is 28950863704932.

It is a super-2 number, since 2×23940736805982² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940736805983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2862350769 + ... + 2862359132.

It is an arithmetic number, because the mean of its divisors is an integer number (1622955257217).

Almost surely, 2^{23940736805982} is an apocalyptic number.

23940736805982 is an abundant number, since it is smaller than the sum of its proper divisors (27993831424962).

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

23940736805982 is a wasteful number, since it uses less digits than its factorization.

23940736805982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724709964.

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 23940736805982 in words is "twenty-three trillion, nine hundred forty billion, seven hundred thirty-six million, eight hundred five thousand, nine hundred eighty-two".