2001240400024 has 32 divisors (see below), whose sum is σ = 3976392319200. Its totient is φ = 942552244480.

The previous prime is 2001240400021. The next prime is 2001240400031. The reversal of 2001240400024 is 4200040421002.

It is a junction number, because it is equal to n+sod(n) for n = 2001240399974 and 2001240400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001240400021) 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 7 ways as a sum of consecutive naturals, for example, 105186052 + ... + 105205075.

It is an arithmetic number, because the mean of its divisors is an integer number (124262259975).

Almost surely, 2^{2001240400024} is an apocalyptic number.

It is an amenable number.

2001240400024 is a deficient number, since it is larger than the sum of its proper divisors (1975151919176).

2001240400024 is a wasteful number, since it uses less digits than its factorization.

2001240400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210391203 (or 210391199 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2001240400024 its reverse (4200040421002), we get a palindrome (6201280821026).

The spelling of 2001240400024 in words is "two trillion, one billion, two hundred forty million, four hundred thousand, twenty-four".