6432278748 has 48 divisors (see below), whose sum is σ = 17160912384. Its totient is φ = 1836918720.

The previous prime is 6432278747. The next prime is 6432278761. The reversal of 6432278748 is 8478722346.

It is a self number, because there is not a number n which added to its sum of digits gives 6432278748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432278747) 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, 170793 + ... + 205023.

It is an arithmetic number, because the mean of its divisors is an integer number (357519008).

Almost surely, 2^6432278748 is an apocalyptic number.

It is an amenable number.

6432278748 is an abundant number, since it is smaller than the sum of its proper divisors (10728633636).

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

6432278748 is a wasteful number, since it uses less digits than its factorization.

6432278748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36482 (or 36480 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 51.

The square root of 6432278748 is about 80201.4884400533. The cubic root of 6432278748 is about 1859.7516479601.

The spelling of 6432278748 in words is "six billion, four hundred thirty-two million, two hundred seventy-eight thousand, seven hundred forty-eight".