5463856640 has 240 divisors, whose sum is σ = 14890296960. Its totient is φ = 1919385600.

The previous prime is 5463856639. The next prime is 5463856703. The reversal of 5463856640 is 466583645.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9602276 + ... + 9602844.

It is an arithmetic number, because the mean of its divisors is an integer number (62042904).

Almost surely, 2^5463856640 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 5463856640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7445148480).

5463856640 is an abundant number, since it is smaller than the sum of its proper divisors (9426440320).

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

5463856640 is a wasteful number, since it uses less digits than its factorization.

5463856640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The square root of 5463856640 is about 73917.9047322095. The cubic root of 5463856640 is about 1761.2990409531.

The spelling of 5463856640 in words is "five billion, four hundred sixty-three million, eight hundred fifty-six thousand, six hundred forty".