405441004 has 12 divisors (see below), whose sum is σ = 710277624. Its totient is φ = 202504544.

The previous prime is 405440999. The next prime is 405441031. The reversal of 405441004 is 400144504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49729 + ... + 57304.

It is an arithmetic number, because the mean of its divisors is an integer number (59189802).

Almost surely, 2^405441004 is an apocalyptic number.

It is an amenable number.

405441004 is a deficient number, since it is larger than the sum of its proper divisors (304836620).

405441004 is a wasteful number, since it uses less digits than its factorization.

405441004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107984 (or 107982 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 405441004 is about 20135.5656488712. The cubic root of 405441004 is about 740.1320704134.

Adding to 405441004 its reverse (400144504), we get a palindrome (805585508).

The spelling of 405441004 in words is "four hundred five million, four hundred forty-one thousand, four".