6400288848 has 80 divisors (see below), whose sum is σ = 17090424000. Its totient is φ = 2062832640.

The previous prime is 6400288813. The next prime is 6400288889. The reversal of 6400288848 is 8488820046.

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 = 6400288797 and 6400288806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154228 + ... + 191276.

It is an arithmetic number, because the mean of its divisors is an integer number (213630300).

Almost surely, 2^6400288848 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 6400288848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8545212000).

6400288848 is an abundant number, since it is smaller than the sum of its proper divisors (10690135152).

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

6400288848 is a wasteful number, since it uses less digits than its factorization.

6400288848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37180 (or 37174 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The square root of 6400288848 is about 80001.8052796310. The cubic root of 6400288848 is about 1856.6634645593.

The spelling of 6400288848 in words is "six billion, four hundred million, two hundred eighty-eight thousand, eight hundred forty-eight".