481409538 has 8 divisors (see below), whose sum is σ = 962819088. Its totient is φ = 160469844.

The previous prime is 481409521. The next prime is 481409557. The reversal of 481409538 is 835904184.

It is a sphenic number, since it is the product of 3 distinct primes.

481409538 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 481409538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40117456 + ... + 40117467.

It is an arithmetic number, because the mean of its divisors is an integer number (120352386).

Almost surely, 2^481409538 is an apocalyptic number.

481409538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

481409538 is a wasteful number, since it uses less digits than its factorization.

481409538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80234928.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 481409538 is about 21941.0468756621. The cubic root of 481409538 is about 783.7391896334.

The spelling of 481409538 in words is "four hundred eighty-one million, four hundred nine thousand, five hundred thirty-eight".