996390575040 has 448 divisors, whose sum is σ = 3679516339200. Its totient is φ = 223731154944.

The previous prime is 996390575023. The next prime is 996390575093. The reversal of 996390575040 is 40575093699.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175140516 + ... + 175146204.

Almost surely, 2^996390575040 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 996390575040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839758169600).

996390575040 is an abundant number, since it is smaller than the sum of its proper divisors (2683125764160).

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

996390575040 is a wasteful number, since it uses less digits than its factorization.

996390575040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6162 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 57.

The spelling of 996390575040 in words is "nine hundred ninety-six billion, three hundred ninety million, five hundred seventy-five thousand, forty".