481581628 has 12 divisors (see below), whose sum is σ = 919383192. Its totient is φ = 218900720.

The previous prime is 481581577. The next prime is 481581629. The reversal of 481581628 is 826185184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481581629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5472475 + ... + 5472562.

It is an arithmetic number, because the mean of its divisors is an integer number (76615266).

Almost surely, 2^481581628 is an apocalyptic number.

It is an amenable number.

481581628 is a deficient number, since it is larger than the sum of its proper divisors (437801564).

481581628 is a wasteful number, since it uses less digits than its factorization.

481581628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945052 (or 10945050 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 481581628 is about 21944.9681704030. The cubic root of 481581628 is about 783.8325665461.

The spelling of 481581628 in words is "four hundred eighty-one million, five hundred eighty-one thousand, six hundred twenty-eight".