476142381 has 120 divisors (see below), whose sum is σ = 873270552. Its totient is φ = 256608000.

The previous prime is 476142379. The next prime is 476142391. The reversal of 476142381 is 183241674.

476142381 is a `hidden beast` number, since 4 + 7 + 614 + 2 + 38 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 206066025 + 270076356 = 14355^2 + 16434^2 .

It is not a de Polignac number, because 476142381 - 2¹ = 476142379 is a prime.

It is a super-2 number, since 2×476142381² = 453423133968698322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476142391) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4714231 + ... + 4714331.

Almost surely, 2^476142381 is an apocalyptic number.

It is an amenable number.

476142381 is a deficient number, since it is larger than the sum of its proper divisors (397128171).

476142381 is a wasteful number, since it uses less digits than its factorization.

476142381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 165 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 476142381 is about 21820.6869965178. The cubic root of 476142381 is about 780.8703745722.

The spelling of 476142381 in words is "four hundred seventy-six million, one hundred forty-two thousand, three hundred eighty-one".