5631047680 has 96 divisors (see below), whose sum is σ = 14099248800. Its totient is φ = 2154397696.

The previous prime is 5631047633. The next prime is 5631047777. The reversal of 5631047680 is 867401365.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223566 + ... + 247474.

It is an arithmetic number, because the mean of its divisors is an integer number (146867175).

Almost surely, 2^5631047680 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 5631047680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7049624400).

5631047680 is an abundant number, since it is smaller than the sum of its proper divisors (8468201120).

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

5631047680 is a wasteful number, since it uses less digits than its factorization.

5631047680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23959 (or 23939 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 5631047680 is about 75040.3070356192. The cubic root of 5631047680 is about 1779.0837855186.

The spelling of 5631047680 in words is "five billion, six hundred thirty-one million, forty-seven thousand, six hundred eighty".