6405219048 has 64 divisors (see below), whose sum is σ = 16930368000. Its totient is φ = 2013757632.

The previous prime is 6405219001. The next prime is 6405219049. The reversal of 6405219048 is 8409125046.

It is a junction number, because it is equal to n+sod(n) for n = 6405218997 and 6405219015.

It is not an unprimeable number, because it can be changed into a prime (6405219049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72573 + ... + 134451.

It is an arithmetic number, because the mean of its divisors is an integer number (264537000).

Almost surely, 2^6405219048 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 6405219048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8465184000).

6405219048 is an abundant number, since it is smaller than the sum of its proper divisors (10525148952).

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

6405219048 is a wasteful number, since it uses less digits than its factorization.

6405219048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62134 (or 62130 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6405219048 is about 80032.6124026949. The cubic root of 6405219048 is about 1857.1400770497.

The spelling of 6405219048 in words is "six billion, four hundred five million, two hundred nineteen thousand, forty-eight".