4040500320000 has 1800 divisors, whose sum is σ = 15854576411520. Its totient is φ = 1021870080000.

The previous prime is 4040500319959. The next prime is 4040500320007. The reversal of 4040500320000 is 230050404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040500320007) by changing a digit.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 35756639944 + ... + 35756640056.

Almost surely, 2^{4040500320000} is an apocalyptic number.

4040500320000 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 4040500320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7927288205760).

4040500320000 is an abundant number, since it is smaller than the sum of its proper divisors (11814076091520).

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

4040500320000 is an equidigital number, since it uses as much as digits as its factorization.

4040500320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 4040500320000 its reverse (230050404), we get a palindrome (4040730370404).

The spelling of 4040500320000 in words is "four trillion, forty billion, five hundred million, three hundred twenty thousand".