481378284 has 72 divisors (see below), whose sum is σ = 1240016960. Its totient is φ = 157427712.

The previous prime is 481378241. The next prime is 481378291. The reversal of 481378284 is 482873184.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548454 + ... + 549330.

Almost surely, 2^481378284 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 481378284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620008480).

481378284 is an abundant number, since it is smaller than the sum of its proper divisors (758638676).

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

481378284 is a wasteful number, since it uses less digits than its factorization.

481378284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1154 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 481378284 is about 21940.3346373751. The cubic root of 481378284 is about 783.7222286658.

The spelling of 481378284 in words is "four hundred eighty-one million, three hundred seventy-eight thousand, two hundred eighty-four".