404130641 has 8 divisors (see below), whose sum is σ = 413946720. Its totient is φ = 394333632.

The previous prime is 404130611. The next prime is 404130653. The reversal of 404130641 is 146031404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404130641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404130611) 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, 44105 + ... + 52473.

It is an arithmetic number, because the mean of its divisors is an integer number (51743340).

Almost surely, 2^404130641 is an apocalyptic number.

It is an amenable number.

404130641 is a deficient number, since it is larger than the sum of its proper divisors (9816079).

404130641 is a wasteful number, since it uses less digits than its factorization.

404130641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 404130641 is about 20103.0007959011. Note that the first 3 decimals coincide. The cubic root of 404130641 is about 739.3338544990. Note that the first 3 decimals are identical.

The spelling of 404130641 in words is "four hundred four million, one hundred thirty thousand, six hundred forty-one".