481305538 has 24 divisors (see below), whose sum is σ = 842532732. Its totient is φ = 205609824.

The previous prime is 481305497. The next prime is 481305541. The reversal of 481305538 is 835503184.

It can be written as a sum of positive squares in 2 ways, for example, as 346443769 + 134861769 = 18613^2 + 11613^2 .

It is a junction number, because it is equal to n+sod(n) for n = 481305497 and 481305506.

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, 23320 + ... + 38812.

Almost surely, 2^481305538 is an apocalyptic number.

481305538 is a deficient number, since it is larger than the sum of its proper divisors (361227194).

481305538 is a wasteful number, since it uses less digits than its factorization.

481305538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826 (or 15819 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 481305538 is about 21938.6767604612. The cubic root of 481305538 is about 783.6827479141.

The spelling of 481305538 in words is "four hundred eighty-one million, three hundred five thousand, five hundred thirty-eight".