481216530 has 32 divisors (see below), whose sum is σ = 1155772800. Its totient is φ = 128229632.

The previous prime is 481216507. The next prime is 481216543. The reversal of 481216530 is 35612184.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 41626 + ... + 51914.

It is an arithmetic number, because the mean of its divisors is an integer number (36117900).

Almost surely, 2^481216530 is an apocalyptic number.

481216530 is an abundant number, since it is smaller than the sum of its proper divisors (674556270).

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

481216530 is a wasteful number, since it uses less digits than its factorization.

481216530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 481216530 is about 21936.6481031173. The cubic root of 481216530 is about 783.6344360285.

The spelling of 481216530 in words is "four hundred eighty-one million, two hundred sixteen thousand, five hundred thirty".