6894144048 has 80 divisors (see below), whose sum is σ = 19446005376. Its totient is φ = 2087301120.

The previous prime is 6894144031. The next prime is 6894144067. The reversal of 6894144048 is 8404414986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 6894143988 and 6894144006.

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, 672336 + ... + 682512.

Almost surely, 2^6894144048 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 6894144048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9723002688).

6894144048 is an abundant number, since it is smaller than the sum of its proper divisors (12551861328).

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

6894144048 is a wasteful number, since it uses less digits than its factorization.

6894144048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482 (or 11476 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 6894144048 is about 83030.9824583571. The cubic root of 6894144048 is about 1903.2395378349.

The spelling of 6894144048 in words is "six billion, eight hundred ninety-four million, one hundred forty-four thousand, forty-eight".