6347468240 has 160 divisors (see below), whose sum is σ = 15994976256. Its totient is φ = 2335703040.

The previous prime is 6347468233. The next prime is 6347468269. The reversal of 6347468240 is 428647436.

It is a Cunningham number, because it is equal to 79671²-1.

It is a junction number, because it is equal to n+sod(n) for n = 6347468191 and 6347468200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14659064 + ... + 14659496.

Almost surely, 2^6347468240 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 6347468240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7997488128).

6347468240 is an abundant number, since it is smaller than the sum of its proper divisors (9647508016).

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

6347468240 is a wasteful number, since it uses less digits than its factorization.

6347468240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The square root of 6347468240 is about 79670.9999937242. Note that the first 5 decimals coincide. The cubic root of 6347468240 is about 1851.5417622415.

The spelling of 6347468240 in words is "six billion, three hundred forty-seven million, four hundred sixty-eight thousand, two hundred forty".