6406888248 has 24 divisors (see below), whose sum is σ = 17351989200. Its totient is φ = 2135629392.

The previous prime is 6406888231. The next prime is 6406888259. The reversal of 6406888248 is 8428886046.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 6406888194 and 6406888203.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 44492208 + ... + 44492351.

It is an arithmetic number, because the mean of its divisors is an integer number (722999550).

Almost surely, 2^6406888248 is an apocalyptic number.

It is an amenable number.

6406888248 is an abundant number, since it is smaller than the sum of its proper divisors (10945100952).

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

6406888248 is a wasteful number, since it uses less digits than its factorization.

6406888248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88984571 (or 88984564 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The square root of 6406888248 is about 80043.0399722549. The cubic root of 6406888248 is about 1857.3013865980.

The spelling of 6406888248 in words is "six billion, four hundred six million, eight hundred eighty-eight thousand, two hundred forty-eight".