938040946648 has 128 divisors (see below), whose sum is σ = 1969391128320. Its totient is φ = 416076756480.

The previous prime is 938040946637. The next prime is 938040946663. The reversal of 938040946648 is 846649040839.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413779611 + ... + 413781877.

It is an arithmetic number, because the mean of its divisors is an integer number (15385868190).

Almost surely, 2^938040946648 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 938040946648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984695564160).

938040946648 is an abundant number, since it is smaller than the sum of its proper divisors (1031350181672).

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

938040946648 is a wasteful number, since it uses less digits than its factorization.

938040946648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777 (or 3773 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 61.

The spelling of 938040946648 in words is "nine hundred thirty-eight billion, forty million, nine hundred forty-six thousand, six hundred forty-eight".