928973936640 has 192 divisors, whose sum is σ = 3022369459200. Its totient is φ = 243527155712.

The previous prime is 928973936623. The next prime is 928973936701. The reversal of 928973936640 is 46639379829.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556209 + ... + 2068751.

It is an arithmetic number, because the mean of its divisors is an integer number (15741507600).

Almost surely, 2^928973936640 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 928973936640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511184729600).

928973936640 is an abundant number, since it is smaller than the sum of its proper divisors (2093395522560).

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

928973936640 is a wasteful number, since it uses less digits than its factorization.

928973936640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512632 (or 512612 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 66.

The spelling of 928973936640 in words is "nine hundred twenty-eight billion, nine hundred seventy-three million, nine hundred thirty-six thousand, six hundred forty".