5381628648 has 32 divisors (see below), whose sum is σ = 14677169760. Its totient is φ = 1630796480.

The previous prime is 5381628641. The next prime is 5381628691. The reversal of 5381628648 is 8468261835.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5381628648.

It is not an unprimeable number, because it can be changed into a prime (5381628641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10192215 + ... + 10192742.

It is an arithmetic number, because the mean of its divisors is an integer number (458661555).

Almost surely, 2^5381628648 is an apocalyptic number.

It is an amenable number.

5381628648 is an abundant number, since it is smaller than the sum of its proper divisors (9295541112).

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

5381628648 is a wasteful number, since it uses less digits than its factorization.

5381628648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384977 (or 20384973 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 5381628648 is about 73359.5845680713. The cubic root of 5381628648 is about 1752.4188209741.

The spelling of 5381628648 in words is "five billion, three hundred eighty-one million, six hundred twenty-eight thousand, six hundred forty-eight".