6442864480 has 48 divisors (see below), whose sum is σ = 16392139344. Its totient is φ = 2378903040.

The previous prime is 6442864471. The next prime is 6442864499. The reversal of 6442864480 is 844682446.

It is a self number, because there is not a number n which added to its sum of digits gives 6442864480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546686 + ... + 1550845.

It is an arithmetic number, because the mean of its divisors is an integer number (341502903).

Almost surely, 2^6442864480 is an apocalyptic number.

It is an amenable number.

6442864480 is an abundant number, since it is smaller than the sum of its proper divisors (9949274864).

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

6442864480 is a wasteful number, since it uses less digits than its factorization.

6442864480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097559 (or 3097551 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 46.

The square root of 6442864480 is about 80267.4559208151. The cubic root of 6442864480 is about 1860.7712991854.

The spelling of 6442864480 in words is "six billion, four hundred forty-two million, eight hundred sixty-four thousand, four hundred eighty".