480155721 has 8 divisors (see below), whose sum is σ = 642759264. Its totient is φ = 318828000.

The previous prime is 480155719. The next prime is 480155729. The reversal of 480155721 is 127551084.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 480155721 - 2¹ = 480155719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (480155729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318076 + ... + 319581.

It is an arithmetic number, because the mean of its divisors is an integer number (80344908).

Almost surely, 2^480155721 is an apocalyptic number.

It is an amenable number.

480155721 is a deficient number, since it is larger than the sum of its proper divisors (162603543).

480155721 is a wasteful number, since it uses less digits than its factorization.

480155721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637911.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 480155721 is about 21912.4558413702. The cubic root of 480155721 is about 783.0581895103.

The spelling of 480155721 in words is "four hundred eighty million, one hundred fifty-five thousand, seven hundred twenty-one".