481378688 has 64 divisors (see below), whose sum is σ = 1098988800. Its totient is φ = 205742592.

The previous prime is 481378673. The next prime is 481378691. The reversal of 481378688 is 886873184.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 651023 + ... + 651761.

It is an arithmetic number, because the mean of its divisors is an integer number (17171700).

Almost surely, 2^481378688 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 481378688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549494400).

481378688 is an abundant number, since it is smaller than the sum of its proper divisors (617610112).

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

481378688 is an equidigital number, since it uses as much as digits as its factorization.

481378688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1475 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 53.

The square root of 481378688 is about 21940.3438441607. The cubic root of 481378688 is about 783.7224479138.

The spelling of 481378688 in words is "four hundred eighty-one million, three hundred seventy-eight thousand, six hundred eighty-eight".