481477780 has 48 divisors (see below), whose sum is σ = 1162062720. Its totient is φ = 164147328.

The previous prime is 481477721. The next prime is 481477813. The reversal of 481477780 is 87774184.

It is a self number, because there is not a number n which added to its sum of digits gives 481477780.

It is a congruent number.

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, 15454 + ... + 34666.

It is an arithmetic number, because the mean of its divisors is an integer number (24209640).

Almost surely, 2^481477780 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 481477780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581031360).

481477780 is an abundant number, since it is smaller than the sum of its proper divisors (680584940).

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

481477780 is a wasteful number, since it uses less digits than its factorization.

481477780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19408 (or 19406 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 46.

The square root of 481477780 is about 21942.6019423404. The cubic root of 481477780 is about 783.7762207532.

The spelling of 481477780 in words is "four hundred eighty-one million, four hundred seventy-seven thousand, seven hundred eighty".