404571142 has 32 divisors (see below), whose sum is σ = 670694400. Its totient is φ = 182282400.

The previous prime is 404571137. The next prime is 404571157. The reversal of 404571142 is 241175404.

It is a super-3 number, since 3×404571142³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404571142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66592 + ... + 72412.

It is an arithmetic number, because the mean of its divisors is an integer number (20959200).

Almost surely, 2^404571142 is an apocalyptic number.

404571142 is a deficient number, since it is larger than the sum of its proper divisors (266123258).

404571142 is a wasteful number, since it uses less digits than its factorization.

404571142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 404571142 is about 20113.9539126448. The cubic root of 404571142 is about 739.6023807393.

The spelling of 404571142 in words is "four hundred four million, five hundred seventy-one thousand, one hundred forty-two".