481905864 has 96 divisors (see below), whose sum is σ = 1448085600. Its totient is φ = 143543040.

The previous prime is 481905833. The next prime is 481905887. The reversal of 481905864 is 468509184.

481905864 is a `hidden beast` number, since 481 + 90 + 5 + 86 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41572 + ... + 51884.

It is an arithmetic number, because the mean of its divisors is an integer number (15084225).

Almost surely, 2^481905864 is an apocalyptic number.

481905864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481905864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724042800).

481905864 is an abundant number, since it is smaller than the sum of its proper divisors (966179736).

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

481905864 is a wasteful number, since it uses less digits than its factorization.

481905864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395 (or 10388 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 481905864 is about 21952.3544067601. The cubic root of 481905864 is about 784.0084382335.

The spelling of 481905864 in words is "four hundred eighty-one million, nine hundred five thousand, eight hundred sixty-four".