1996037406720 has 1200 divisors, whose sum is σ = 8354641310400. Its totient is φ = 455716896768.

The previous prime is 1996037406719. The next prime is 1996037406799. The reversal of 1996037406720 is 276047306991.

It is a happy number.

1996037406720 is a `hidden beast` number, since 1 + 9 + 9 + 603 + 7 + 4 + 0 + 6 + 7 + 20 = 666.

It is a super-3 number, since 3×1996037406720³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2275982922 + ... + 2275983798.

It is an arithmetic number, because the mean of its divisors is an integer number (6962201092).

Almost surely, 2^{1996037406720} is an apocalyptic number.

1996037406720 is a gapful number since it is divisible by the number (10) 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 1996037406720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4177320655200).

1996037406720 is an abundant number, since it is smaller than the sum of its proper divisors (6358603903680).

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

1996037406720 is an frugal number, since it uses more digits than its factorization.

1996037406720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 1996037406720 in words is "one trillion, nine hundred ninety-six billion, thirty-seven million, four hundred six thousand, seven hundred twenty".