6340694448 has 80 divisors (see below), whose sum is σ = 18053594496. Its totient is φ = 1901598720.

The previous prime is 6340694443. The next prime is 6340694467. The reversal of 6340694448 is 8444960436.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 6340694397 and 6340694406.

It is not an unprimeable number, because it can be changed into a prime (6340694443) 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, 10686 + ... + 113117.

Almost surely, 2^6340694448 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 6340694448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9026797248).

6340694448 is an abundant number, since it is smaller than the sum of its proper divisors (11712900048).

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

6340694448 is a wasteful number, since it uses less digits than its factorization.

6340694448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123922 (or 123916 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The square root of 6340694448 is about 79628.4776195049. The cubic root of 6340694448 is about 1850.8828946745.

The spelling of 6340694448 in words is "six billion, three hundred forty million, six hundred ninety-four thousand, four hundred forty-eight".