404305414660 has 96 divisors (see below), whose sum is σ = 984308613120. Its totient is φ = 136623715200.

The previous prime is 404305414649. The next prime is 404305414679. The reversal of 404305414660 is 66414503404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60421915 + ... + 60428605.

It is an arithmetic number, because the mean of its divisors is an integer number (10253214720).

Almost surely, 2^404305414660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404305414660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492154306560).

404305414660 is an abundant number, since it is smaller than the sum of its proper divisors (580003198460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404305414660 is a wasteful number, since it uses less digits than its factorization.

404305414660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857 (or 12855 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 404305414660 in words is "four hundred four billion, three hundred five million, four hundred fourteen thousand, six hundred sixty".