4001243204000 has 192 divisors, whose sum is σ = 11323969413120. Its totient is φ = 1361051596800.

The previous prime is 4001243203999. The next prime is 4001243204011. The reversal of 4001243204000 is 4023421004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2993396 + ... + 4118604.

It is an arithmetic number, because the mean of its divisors is an integer number (58979007360).

Almost surely, 2^{4001243204000} is an apocalyptic number.

4001243204000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4001243204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5661984706560).

4001243204000 is an abundant number, since it is smaller than the sum of its proper divisors (7322726209120).

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

4001243204000 is a wasteful number, since it uses less digits than its factorization.

4001243204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125368 (or 1125350 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4001243204000 its reverse (4023421004), we get a palindrome (4005266625004).

The spelling of 4001243204000 in words is "four trillion, one billion, two hundred forty-three million, two hundred four thousand".