801236991984 has 160 divisors (see below), whose sum is σ = 2446648237824. Its totient is φ = 222746941440.

The previous prime is 801236991979. The next prime is 801236992021. The reversal of 801236991984 is 489199632108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760764 + ... + 1476900.

Almost surely, 2^801236991984 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 801236991984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223324118912).

801236991984 is an abundant number, since it is smaller than the sum of its proper divisors (1645411245840).

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

801236991984 is a wasteful number, since it uses less digits than its factorization.

801236991984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716335 (or 716329 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The spelling of 801236991984 in words is "eight hundred one billion, two hundred thirty-six million, nine hundred ninety-one thousand, nine hundred eighty-four".