481220316 has 72 divisors (see below), whose sum is σ = 1299043200. Its totient is φ = 149869440.

The previous prime is 481220303. The next prime is 481220317. The reversal of 481220316 is 613022184.

It is a super-2 number, since 2×481220316² = 463145985062279712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481220316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481220317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24930 + ... + 39798.

Almost surely, 2^481220316 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 481220316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649521600).

481220316 is an abundant number, since it is smaller than the sum of its proper divisors (817822884).

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

481220316 is a wasteful number, since it uses less digits than its factorization.

481220316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939 (or 14934 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 481220316 is about 21936.7343968969. The cubic root of 481220316 is about 783.6364911201.

The spelling of 481220316 in words is "four hundred eighty-one million, two hundred twenty thousand, three hundred sixteen".