481404816 has 80 divisors (see below), whose sum is σ = 1391924800. Its totient is φ = 159293952.

The previous prime is 481404811. The next prime is 481404839. The reversal of 481404816 is 618404184.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (481404811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56040 + ... + 64056.

It is an arithmetic number, because the mean of its divisors is an integer number (17399060).

Almost surely, 2^481404816 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 481404816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695962400).

481404816 is an abundant number, since it is smaller than the sum of its proper divisors (910519984).

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

481404816 is a wasteful number, since it uses less digits than its factorization.

481404816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173 (or 8161 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 481404816 is about 21940.9392688645. The cubic root of 481404816 is about 783.7366271384.

The spelling of 481404816 in words is "four hundred eighty-one million, four hundred four thousand, eight hundred sixteen".