999936964000 has 384 divisors, whose sum is σ = 2717444201472. Its totient is φ = 359280230400.

The previous prime is 999936963931. The next prime is 999936964001. The reversal of 999936964000 is 469639999.

It is not an unprimeable number, because it can be changed into a prime (999936964001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 753531337 + ... + 753532663.

It is an arithmetic number, because the mean of its divisors is an integer number (7076677608).

Almost surely, 2^999936964000 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 999936964000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358722100736).

999936964000 is an abundant number, since it is smaller than the sum of its proper divisors (1717507237472).

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

999936964000 is a wasteful number, since it uses less digits than its factorization.

999936964000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 25509168, while the sum is 64.

The spelling of 999936964000 in words is "nine hundred ninety-nine billion, nine hundred thirty-six million, nine hundred sixty-four thousand".