404563105260 has 144 divisors (see below), whose sum is σ = 1260665078400. Its totient is φ = 104940790272.

The previous prime is 404563105259. The next prime is 404563105337. The reversal of 404563105260 is 62501365404.

404563105260 is a `hidden beast` number, since 40 + 4 + 563 + 1 + 0 + 52 + 6 + 0 = 666.

It is a super-2 number, since 2×404563105260² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51671026 + ... + 51678854.

It is an arithmetic number, because the mean of its divisors is an integer number (8754618600).

Almost surely, 2^404563105260 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 404563105260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630332539200).

404563105260 is an abundant number, since it is smaller than the sum of its proper divisors (856101973140).

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

404563105260 is a wasteful number, since it uses less digits than its factorization.

404563105260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15640 (or 15635 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 404563105260 in words is "four hundred four billion, five hundred sixty-three million, one hundred five thousand, two hundred sixty".