404720096506 has 24 divisors (see below), whose sum is σ = 683561735892. Its totient is φ = 179476756800.

The previous prime is 404720096489. The next prime is 404720096507. The reversal of 404720096506 is 605690027404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 363168943225 + 41551153281 = 602635^2 + 203841^2 .

It is not an unprimeable number, because it can be changed into a prime (404720096507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20385165 + ... + 20405008.

Almost surely, 2^404720096506 is an apocalyptic number.

404720096506 is a deficient number, since it is larger than the sum of its proper divisors (278841639386).

404720096506 is a wasteful number, since it uses less digits than its factorization.

404720096506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40790238 (or 40790227 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 404720096506 in words is "four hundred four billion, seven hundred twenty million, ninety-six thousand, five hundred six".