481995864 has 48 divisors (see below), whose sum is σ = 1491893520. Its totient is φ = 137712960.

The previous prime is 481995851. The next prime is 481995869. The reversal of 481995864 is 468599184.

481995864 is a `hidden beast` number, since 48 + 19 + 9 + 586 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 481995864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481995869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477667 + ... + 478674.

It is an arithmetic number, because the mean of its divisors is an integer number (31081115).

Almost surely, 2^481995864 is an apocalyptic number.

It is an amenable number.

481995864 is an abundant number, since it is smaller than the sum of its proper divisors (1009897656).

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

481995864 is a wasteful number, since it uses less digits than its factorization.

481995864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956360 (or 956353 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 481995864 is about 21954.4042050792. The cubic root of 481995864 is about 784.0572419332.

The spelling of 481995864 in words is "four hundred eighty-one million, nine hundred ninety-five thousand, eight hundred sixty-four".