404485142 has 12 divisors (see below), whose sum is σ = 608730948. Its totient is φ = 201576600.

The previous prime is 404485141. The next prime is 404485177. The reversal of 404485142 is 241584404.

It is a junction number, because it is equal to n+sod(n) for n = 404485099 and 404485108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404485141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 585017 + ... + 585707.

It is an arithmetic number, because the mean of its divisors is an integer number (50727579).

Almost surely, 2^404485142 is an apocalyptic number.

404485142 is a deficient number, since it is larger than the sum of its proper divisors (204245806).

404485142 is an frugal number, since it uses more digits than its factorization.

404485142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 404485142 is about 20111.8159796673. The cubic root of 404485142 is about 739.5499710758.

The spelling of 404485142 in words is "four hundred four million, four hundred eighty-five thousand, one hundred forty-two".