6400703456 has 96 divisors (see below), whose sum is σ = 15397724160. Its totient is φ = 2556573696.

The previous prime is 6400703423. The next prime is 6400703459. The reversal of 6400703456 is 6543070046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400703459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384065 + ... + 400383.

It is an arithmetic number, because the mean of its divisors is an integer number (160392960).

Almost surely, 2^6400703456 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 6400703456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7698862080).

6400703456 is an abundant number, since it is smaller than the sum of its proper divisors (8997020704).

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

6400703456 is a wasteful number, since it uses less digits than its factorization.

6400703456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456 (or 16448 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 6400703456 is about 80004.3964791936. The cubic root of 6400703456 is about 1856.7035549845.

The spelling of 6400703456 in words is "six billion, four hundred million, seven hundred three thousand, four hundred fifty-six".