404130481 has 8 divisors (see below), whose sum is σ = 416473344. Its totient is φ = 391906080.

The previous prime is 404130473. The next prime is 404130497. The reversal of 404130481 is 184031404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404130481 - 2³ = 404130473 is a prime.

It is a super-2 number, since 2×404130481² = 326642891346582722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404130451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22665 + ... + 36358.

It is an arithmetic number, because the mean of its divisors is an integer number (52059168).

Almost surely, 2^404130481 is an apocalyptic number.

404130481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

404130481 is a deficient number, since it is larger than the sum of its proper divisors (12342863).

404130481 is a wasteful number, since it uses less digits than its factorization.

404130481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59231.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 404130481 is about 20102.9968163953. The cubic root of 404130481 is about 739.3337569287. Note that the first 3 decimals are identical.

Adding to 404130481 its reverse (184031404), we get a palindrome (588161885).

The spelling of 404130481 in words is "four hundred four million, one hundred thirty thousand, four hundred eighty-one".