481381380 has 120 divisors (see below), whose sum is σ = 1520209152. Its totient is φ = 127510848.

The previous prime is 481381339. The next prime is 481381409. The reversal of 481381380 is 83183184.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 263149 + ... + 264971.

Almost surely, 2^481381380 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 481381380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760104576).

481381380 is an abundant number, since it is smaller than the sum of its proper divisors (1038827772).

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

481381380 is a wasteful number, since it uses less digits than its factorization.

481381380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 481381380 is about 21940.4051922475. The cubic root of 481381380 is about 783.7239088405.

The spelling of 481381380 in words is "four hundred eighty-one million, three hundred eighty-one thousand, three hundred eighty".