481381688 has 16 divisors (see below), whose sum is σ = 904681680. Its totient is φ = 240133248.

The previous prime is 481381631. The next prime is 481381711. The reversal of 481381688 is 886183184.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66020 + ... + 72947.

It is an arithmetic number, because the mean of its divisors is an integer number (56542605).

Almost surely, 2^481381688 is an apocalyptic number.

It is an amenable number.

481381688 is a deficient number, since it is larger than the sum of its proper divisors (423299992).

481381688 is a wasteful number, since it uses less digits than its factorization.

481381688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139406 (or 139402 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 481381688 is about 21940.4122112598. The cubic root of 481381688 is about 783.7240759892.

The spelling of 481381688 in words is "four hundred eighty-one million, three hundred eighty-one thousand, six hundred eighty-eight".