404571141 has 24 divisors (see below), whose sum is σ = 651039480. Its totient is φ = 240379776.

The previous prime is 404571137. The next prime is 404571157. The reversal of 404571141 is 141175404.

It can be written as a sum of positive squares in 4 ways, for example, as 1766241 + 402804900 = 1329^2 + 20070^2 .

It is not a de Polignac number, because 404571141 - 2² = 404571137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404571121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56226 + ... + 63011.

It is an arithmetic number, because the mean of its divisors is an integer number (27126645).

Almost surely, 2^404571141 is an apocalyptic number.

It is an amenable number.

404571141 is a deficient number, since it is larger than the sum of its proper divisors (246468339).

404571141 is a wasteful number, since it uses less digits than its factorization.

404571141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119285 (or 119282 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 404571141 is about 20113.9538877865. The cubic root of 404571141 is about 739.6023801299.

The spelling of 404571141 in words is "four hundred four million, five hundred seventy-one thousand, one hundred forty-one".