1996054213920 has 1152 divisors, whose sum is σ = 7565700941568. Its totient is φ = 440126668800.

The previous prime is 1996054213891. The next prime is 1996054213931. The reversal of 1996054213920 is 293124506991.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2431247110 + ... + 2431247930.

It is an arithmetic number, because the mean of its divisors is an integer number (6567448734).

Almost surely, 2^{1996054213920} is an apocalyptic number.

1996054213920 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 1996054213920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3782850470784).

1996054213920 is an abundant number, since it is smaller than the sum of its proper divisors (5569646727648).

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

1996054213920 is a wasteful number, since it uses less digits than its factorization.

1996054213920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 1996054213920 in words is "one trillion, nine hundred ninety-six billion, fifty-four million, two hundred thirteen thousand, nine hundred twenty".