481143438 has 24 divisors (see below), whose sum is σ = 1056760848. Its totient is φ = 158183712.

The previous prime is 481143433. The next prime is 481143451. The reversal of 481143438 is 834341184.

481143438 is a `hidden beast` number, since 4 + 81 + 143 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481143433) 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, 181770 + ... + 184397.

It is an arithmetic number, because the mean of its divisors is an integer number (44031702).

Almost surely, 2^481143438 is an apocalyptic number.

481143438 is an abundant number, since it is smaller than the sum of its proper divisors (575617410).

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

481143438 is a wasteful number, since it uses less digits than its factorization.

481143438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366248 (or 366245 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 481143438 is about 21934.9820606264. The cubic root of 481143438 is about 783.5947585965.

The spelling of 481143438 in words is "four hundred eighty-one million, one hundred forty-three thousand, four hundred thirty-eight".