481418820 has 36 divisors (see below), whose sum is σ = 1460304300. Its totient is φ = 128378304.

The previous prime is 481418813. The next prime is 481418831. The reversal of 481418820 is 28814184.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 285474816 + 195944004 = 16896^2 + 13998^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1337095 + ... + 1337454.

Almost surely, 2^481418820 is an apocalyptic number.

It is an amenable number.

481418820 is an abundant number, since it is smaller than the sum of its proper divisors (978885480).

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

481418820 is a wasteful number, since it uses less digits than its factorization.

481418820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674564 (or 2674559 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 481418820 is about 21941.2583959991. The cubic root of 481418820 is about 783.7442266617.

The spelling of 481418820 in words is "four hundred eighty-one million, four hundred eighteen thousand, eight hundred twenty".