404705434216 has 32 divisors (see below), whose sum is σ = 760967884800. Its totient is φ = 201780895680.

The previous prime is 404705434157. The next prime is 404705434223. The reversal of 404705434216 is 612434507404.

It is a happy number.

It is a super-2 number, since 2×404705434216² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17879386 + ... + 17902006.

It is an arithmetic number, because the mean of its divisors is an integer number (23780246400).

Almost surely, 2^404705434216 is an apocalyptic number.

It is an amenable number.

404705434216 is a deficient number, since it is larger than the sum of its proper divisors (356262450584).

404705434216 is a wasteful number, since it uses less digits than its factorization.

404705434216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28849 (or 28845 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 404705434216 in words is "four hundred four billion, seven hundred five million, four hundred thirty-four thousand, two hundred sixteen".