3996403600000 has 384 divisors, whose sum is σ = 11446663616640. Its totient is φ = 1361318400000.

The previous prime is 3996403599967. The next prime is 3996403600043. The reversal of 3996403600000 is 63046993.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 47 ways as a sum of consecutive naturals, for example, 439595455 + ... + 439604545.

It is an arithmetic number, because the mean of its divisors is an integer number (29809019835).

Almost surely, 2^{3996403600000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3996403600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5723331808320).

3996403600000 is an abundant number, since it is smaller than the sum of its proper divisors (7450260016640).

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

3996403600000 is an frugal number, since it uses more digits than its factorization.

3996403600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294 (or 9262 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

Adding to 3996403600000 its reverse (63046993), we get a palindrome (3996466646993).

The spelling of 3996403600000 in words is "three trillion, nine hundred ninety-six billion, four hundred three million, six hundred thousand".