481544091 has 24 divisors (see below), whose sum is σ = 841692384. Its totient is φ = 258981120.

The previous prime is 481544083. The next prime is 481544117. The reversal of 481544091 is 190445184.

481544091 is a `hidden beast` number, since 481 + 54 + 40 + 91 = 666.

It is not a de Polignac number, because 481544091 - 2³ = 481544083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481544891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223740 + ... + 225881.

It is an arithmetic number, because the mean of its divisors is an integer number (35070516).

Almost surely, 2^481544091 is an apocalyptic number.

481544091 is a deficient number, since it is larger than the sum of its proper divisors (360148293).

481544091 is a wasteful number, since it uses less digits than its factorization.

481544091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449651 (or 449648 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 481544091 is about 21944.1129007303. The cubic root of 481544091 is about 783.8122006753.

The spelling of 481544091 in words is "four hundred eighty-one million, five hundred forty-four thousand, ninety-one".