6478003040 has 96 divisors (see below), whose sum is σ = 15825632256. Its totient is φ = 2503226880.

The previous prime is 6478003033. The next prime is 6478003079. The reversal of 6478003040 is 403008746.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 6478002988 and 6478003006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5569499 + ... + 5570661.

It is an arithmetic number, because the mean of its divisors is an integer number (164850336).

Almost surely, 2^6478003040 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 6478003040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7912816128).

6478003040 is an abundant number, since it is smaller than the sum of its proper divisors (9347629216).

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

6478003040 is a wasteful number, since it uses less digits than its factorization.

6478003040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 6478003040 is about 80486.0425166998. The cubic root of 6478003040 is about 1864.1479709630.

The spelling of 6478003040 in words is "six billion, four hundred seventy-eight million, three thousand, forty".