6944381320 has 128 divisors (see below), whose sum is σ = 16345929600. Its totient is φ = 2653249536.

The previous prime is 6944381299. The next prime is 6944381341. The reversal of 6944381320 is 231834496.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6944381299) and next prime (6944381341).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 17851686 + ... + 17852074.

It is an arithmetic number, because the mean of its divisors is an integer number (127702575).

Almost surely, 2^6944381320 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 6944381320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8172964800).

6944381320 is an abundant number, since it is smaller than the sum of its proper divisors (9401548280).

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

6944381320 is a wasteful number, since it uses less digits than its factorization.

6944381320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 6944381320 is about 83332.9545858060. The cubic root of 6944381320 is about 1907.8512901487.

The spelling of 6944381320 in words is "six billion, nine hundred forty-four million, three hundred eighty-one thousand, three hundred twenty".