480721860 has 36 divisors (see below), whose sum is σ = 1458190188. Its totient is φ = 128192448.

The previous prime is 480721853. The next prime is 480721931. The reversal of 480721860 is 68127084.

It can be written as a sum of positive squares in 2 ways, for example, as 309478464 + 171243396 = 17592^2 + 13086^2 .

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

It is a super-3 number, since 3×480721860³ (a number of 27 digits) contains 333 as substring.

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, 1335159 + ... + 1335518.

It is an arithmetic number, because the mean of its divisors is an integer number (40505283).

Almost surely, 2^480721860 is an apocalyptic number.

It is an amenable number.

480721860 is an abundant number, since it is smaller than the sum of its proper divisors (977468328).

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

480721860 is a wasteful number, since it uses less digits than its factorization.

480721860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670692 (or 2670687 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 480721860 is about 21925.3702363267. The cubic root of 480721860 is about 783.3658297469.

The spelling of 480721860 in words is "four hundred eighty million, seven hundred twenty-one thousand, eight hundred sixty".